The epidermal cells of the stratum basale are closest to these blood vessels and receive most of the nutrients and oxygen. The epidermis is composed of multiple layers of flattened cells that overlie … Distinguish between serous and mucous membranes: 21. Asymmetric pigment areas, Borders are irregular, several Colors, and Diameter is greater than 6mm. True/False: The Skin is the body's largest organ, True/False: Subcutaneous tissue lies underneath the dermis, True/False:The epidermis has lots of blood vessels, False the epidermis doesn't have any blood vessels, True/False: The epidermis contains the hair follicles, False the dermis contains the hair follicles not the epidermis, True/False: Melanocytes are located in the bottom layer of the epidermis. The average adult’s skin weighs about 6 pounds c. The thickest skin on our body is on our face b. https://quizlet.com/326893209/integumentary-system-flash-cards The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain.The dermis is tightly connected to the epidermis by a basement membrane.. Create your account. This is because it contains the only cells ofthe epidermis that can divide via the process of mitosis, which means that skin cells germinate here, hence theword germinativum. The epidermis is a keratinized stratified squamous epithelium. define: serous mucous. Nutrients and oxygen diffuse to the avascular epidermis from blood vessels in the dermis. It is the layer that’s closest to the blood supply lying underneath the epidermis. The layer of the skin directly under the epidermis. It is the layer that’s closest to the blood supply lying underneath the epidermis. What Are Sebaceous Glands? The epidermis layer provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss. The dermis is primarily composed of which tissue type? The epidermis does not contain any blood vessels and so has to depend on the dermis layer for supply of nutrition. Nervous . Beneath the dermis . In the face, skeletal muscles attach to dermal collagen fibers and produce such expressio… stratum corneum 22. stratum corneum 23. papillary layer; reticular layer 24. collagen; elastic 25. water 26. papillary layer 27. The average adult’s skin weighs about 6 pounds c. The thickest skin on our body is on our face Fat in the ___________ tissue layer beneath the dermis helps to insulate the body. Five Layers of the Epidermis The 5 layers of epidermis in … Dehydration can lead to the kidneys shutting down and shock. 20. stratum basale. This layer is one of the most important layers of our skin. Muscle c. Connective d. Epithelial 18. __C__Which epidermal layer is closest to a blood supply? (pg. True/False: The evaporation of sweat helps increase the temperature of the skin's surface. Stratum basale. The brown pigment that gives skin, hair and eyes their color. ___________ is a bluish cast of skin resulting from inadequate oxygenation of the blood. The epidermis is divided into 5 sub-layers, that have different functions. The dermis is primarily composed of which tissue type? This is the lowest level of the epidermis. Stratum corneum . a. Distinguish between serous and mucous membranes: 21. They are discussed below. In which layer of the epidermis are cells... How many cells thick is the upper epidermis? ________- are specialized nerve endings that respond to temperature and touch, for example, sebaceous glands and sweat glands (apocrine), Part of the heat-liberating apparatus of the body is the ________. stratum basale. The dermis is composed largely of: Fibrous connective tissue. The subcutaneous layer contains major blood vessels that supply the skin and underlying adipose tissue. The epidermis can have either four or five layers, depending on what part of the body we examine. ____Which epidermal layer is closest to a blood supply? Stratum lucidum. Full-thickness burn; epidermal and dermal layers destroyed; skin is blanched, Epidermal and some dermal damage; pain; regeneration is possible. Nervous b. It is the layer that’s closest to the bloodsupply lying underneath the epidermis. Which epidermal layer marks the transition between metabolically active cells of lower layers and the dead layers of keratinocytes of the upper layers. The stratum basale, also called thestratum germinativum, is the basal (base) layer of the epidermis. These cells are the most active metabolically and continuously undergo cell division to produce new keratinocytes. a. This is the lowest level of the epidermis. The blood supply to the skin decreases. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. The second, larger layer of skin is called the dermis. ... what is the deepest cell layer of the epidermis? What is the function of the stratum lucidum? Five Layers of the Epidermis The 5 layers of epidermis in … The dermis is composed largely of: Fibrous connective tissue. The deepest epidermal layer is the stratum basale or stratum germinativum. 117) a. Stratum basale b. Blood vessels that supply the capillaries of the papillary region are seen running through the reticular layer. Services, What is Epidermis? Beneath the dermis . Thislayer is one of the most important layers of our skin. The outer layer of skin, the epidermis, provides waterproofing and serves as a barrier to infection. Its main roles are to regulate temperature and to supply the epidermis with nutrient-saturated blood. p 128 In which layer of the epidermis are cells constantly dividing A Stratum from ANATOMY 101 at College of Health Care Professions, San Antonio A. Where Blood capillaries that supply nourishment for the epidermis located? The Integumentary System: The Epidermal Layer, Subcutaneous Tissue Layer: Definition & Injections, The Integumentary System: The Dermal Layer. B. Its secretin (often milky in appearance) contains proteins and other substances that favor bacterial growth. a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum Part 2: Accessory Structures 1. What are the functions of sebaceous glands? Stratum basale . a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum 19. A less numerous variety of perspiration gland is the _________. True/False: The skin helps regulate body temperature by producing sweat when we are hot and by dilating blood vessels in the skin when we are cold. The epidermis has no blood supply and it is nourished by diffused oxygen from surrounding air. However, each of these layers can also be separated into a number of additional layers. 4. Distinguish between a hair and a hair follicle Hair is developed from a group of epidermal cells or dead epidermal cells. Epidermis Dermis 22. What is the most common cell type in the... What is the only living layer of the epidermis? Distinguish between the epidermis and the dermis. Name the layers the nail pierced from the superficial skin surface to the junction with the dermis. What is the uppermost layer of the epidermis? 14 ... increased numbers of epidermal layers in the area of the injury. a. True/False: Heredity is the biggest factor in the overall aging of skin. The hair follicles and nail roots are embedded in the dermis. The deepest layer of epidermis, responsible for the growth of the epidermis. False they constrict blood vessels not dilate. Just so, why does the epidermis not have blood vessels? a. stratum germinativum C. stratum granulosum b. stratum spinosum d. stratum corneum . It is composed mainly of collagen, but also contains elastic and reticular fibers, fibroblasts, and the other cells typical of fibrous connective tissue. All other trademarks and copyrights are the property of their respective owners. - Definition & Function, The Integumentary System Accessory Structures: Nails, The Integumentary System Accessory Structures: Hair, The Integumentary System Accessory Structures: Glands, What Are Mucous Membranes? Stratum granulosum . Distinguish between serous and mucous membranes: 21. What is the importance of the rule of nines in treatment of burn patients? The stratum basale, also called the stratum germinativum, is the basal (base) layer of the epidermis. (pg. That is, the epidermis outermost layer consists of dead cells packed with the tough protein keratin. It is well supplied with blood vessels, cutaneous glands, and nerve endings. Stratum basale. - Definition, Function & Layers, Working Scholars® Bringing Tuition-Free College to the Community. Three quarters of the epidermal thickness is accounted for by the _____. The statement that is true regarding the epidermis is option (c) the basement membrane contains its blood supply. Blood vessels that supply the capillaries of the papillary region are seen running through the reticular layer. What type of hair covers the entire body of fetuses? The organ system consisting of skin, hair, and nails, Part of the dermis that contains the hair follicles and roots, nerves, and glands, Secretes an oily substance into the hair follicle, An oily substance secreted by sebaceous glands, Lies below the dermis and contains fat and loose connective tissue, Part of the dermis that contains touch receptors. What can the muscle do to help raise the body's temperature? The epidermis is the outermost of the three layers that make up the skin, the inner layers being the dermis and hypodermis. Which epidermal layer is closest to a blood supply? This single layer of cells is firmly attached to the basal lamina, which separates the epidermis from the loose connective tissue of the adjacent dermis. Which epidermal layer is closest to a blood supply? 28. Distinguish between the epidermis and the dermis. Epidermis does not have blood vessels. Explain what happens to epidermal cells as they undergo keratinization. The dermis is tightly connected to the epidermis by a basement membrane. a. Stratum granulosum b. Stratum corneum c. Stratum basale d. Stratum lucidum 17. answer! Stratum corneum . True/False: The subcutaneous tissue contains about 90% of the body's fat. Stratum spinosum . Dermis layer responsible for fingerprints, Epidermal region involved in rapid cell division; most inferior epidermal layer, Scalelike cells full of keratin that constantly flake off, Major skin area from which the derivatives (hair, nails) arise, A blackhead is an accumulation of oily material produced by____________, Tiny muscles attached to hair follicles that pull the hair upright during fright or cold are called______________, The most numerous variety of perspiration gland is the ____________, A sheath formed of both epithelial and connective tissue is the _____________. The layer of the epidermis closest to the body's blood supply is the stratum basale. Epidermis, in zoology, protective outermost portion of the skin.There are two layers of epidermis, the living basal layer, which is next to the dermis, and the external stratum corneum, or horny layer, which is composed of dead, keratin-filled cells that have migrated outward from the basal layer.The melanocytes, responsible for skin colour, are found in the basal cells. Skin can be pale due to low blood pressure, anemia or fear. Connective. Keratinocy… which epidermal layer is closest to a blood supply. The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain. ____Which epidermal layer is closest to a blood supply? But epidermis also … ____Which of the following is not true about the integumentary system? Name the tissue type composing the epidermis. Large stem cells, termed basal cells, dominate the stratum basale. How does dilation of the blood vessels of the skin reduce the temperature of the skin surface? It varies in thickness, from 0.05 mm at the eyelids to 1.5 mm at the palms of the hands and soles of the feet. what lies closest to the dermis and contains the only epidermal cells that receive adequate nourishment via diffusion of nutrients from the dermis? It can take anywhere from six to 10 weeks for a cell to mature and journey through the layers of epidermis to its death and expulsion. What is the function of the stratum spinosum? The reticular layer of the dermis contains _____ and _____ to sense firm pressure. It is the layer that’s closest to the blood supply lying underneath the epidermis. Most of the nerve tissue supplying the skin, including encapsulated and expanded receptors, are in the dermis. 20. The thickness of the epidermis is approximately 0.1mm. around hair follicles 2. The subcutaneous layer of the skin or hypodermis is located where? Which epidermal layer is closest to a blood supply? 117) a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum 19. Which epidermal layer is found only in the tough skin of the palms and the soles of the feet? Stratum granulosum . This layer is one of the most important layers of our skin. - Definition, Production & Function, SAT Subject Test Biology: Practice and Study Guide, Introduction to Environmental Science: Help and Review, FTCE Physics 6-12 (032): Test Practice & Study Guide, SAT Subject Test Chemistry: Practice and Study Guide, ILTS Science - Chemistry (106): Test Practice and Study Guide, TExES Health EC-12 (157): Practice & Study Guide, Praxis Biology and General Science: Practice and Study Guide, Praxis Biology (5235): Practice & Study Guide, Biological and Biomedical Stratum lucidum. - Definition & Explanation, Function & Anatomy of the Muscles of the Face, Neck & Back, Personal Hygiene & Cleanliness for Massage Therapists, What is Melanin? The layer of the epidermis closest to the body's blood supply is the stratum basale. What layer of tissue is unique to the hands and feet? function of melanocytes. Stratum spinosum . Which epidermal layer is closest to a blood supply? Beneath the epidermis is the dermis and below that is the hypodermis. Stratum granulosum . The epidermis is itself divided into at least four separate parts. Epidermis Dermis 22. 25. The deepest epidermal layer, and the layer that is closest to the blood supply lying underneath the epidermis. Distinguish between the epidermis and the dermis. Which epidermal layer is closest to a blood supply? It determines the body area, how severe the burn is, and how many fluids the patient needs. The epithelial layer is further divided into five layers which are mentioned below:- Has a layer of oil to help make this layer a protective, waterproof layer. Why do cells in the stratum corneum undergo... Why do no skin cancers develop from stratum... What is the function of the stratum granulosum? Which of the following is NOT part of the... Why do the living cells in the granular layer of... What are the 5 layers integumentary system? True/False: If a sebaceous gland becomes clogged and infected, it develops into a pimple. ... What is the most superficial layer (or layer closest to the surface of the skin) that is still capable of mitosis? Mitosis occurs in which layer of the epidermis? They are discussed below. ____The dermis is primarily composed of which tissue type? * Dermis. The epidermis is the topmost layer of skin that can touch, see and feel. Which layer of the epidermis is the “doctor fish” removing? Which epidermal layer is closest to a blood supply? All rights reserved. A clear, transparent layer through which light can pass, Cells look like granules, and they are pushed to surface to replace cells that are shed. The epidermis is the most superficial layer of the skin. __A__Which of the following is not true about the integumentary system? It ranges from 0.2 mm thick in the eyelids to about 4 mm thick in the palms and soles. The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain. Nervous b. 20. Stratum basale . What is the major problem burn patients face, and what are its consequences? Which layer of epidermis would be gradually shed through bathing? Which of the following is composed of keratin? - Definition & Explanation, What Are Fibroblasts? This is because it contains the only cells of the epidermis that can divide via the process of mitosis, which means that skin … Stratum basale . ... - blood supply - thickest layer -contains glands. 117) a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum 19. A. hemoglobin(red) carotene (yellow/orange) cyanosis (blue) lack of oxygen. Keratinocytes produce the most important protein of the epidermis. Stratum corneum . Which epidermal layer is closest to a blood supply? The subcutaneous layer of the skin or hypodermis is located where? This is because it contains the only cells of the epidermis that can divide via the process of mitosis, which means that skin … It is a single layer of cells primarily made of basal cells. The waterproofing protein found in the epidermal cells is called __________, A vitamin that is manufactured in the skin is __________, A localized concentration of melanin is _____________, Wrinkling of skin is due to loss of the _________ skin, A decubitus ulcer results when skin cells are deprived of ________. It is the layer that’s closest to the blood supply lying underneath the epidermis. It acts as a protective layer as it protects the entering of pathogens. The other layers... Our experts can answer your tough homework and study questions. E) Increased heat causes the skin to turn red. The epidermis is the outermost layer of our skin. Dermal blood vessels supply nutrients to all skin cells. Epithelial. The epidermis is _____; that is, it has no blood supply of its own. In this layer, the most numerouscells of the epidermis, called keratinocytes, arise thanks to mitosis. This layer is one of the most important layers of our skin. 29. ____________ is found everywhere on the body except the palms of the hands, soles of the feet, and lips, and primarily consists of dead keratinized cells. The following diagram shows the layer of the skin, see all the blood vessels are in dermis. ... it provides the blood supply and many sensory receptors for the epidermis e) it has a smaller papillary layer, and a thicker reticular layer. Like other epithelia, the epidermis lacks blood vessels and depends on the diffusion of nutrients from the underlying connective tissue. The skin shields the body against__________. (pg. The epidermis is the outermost of the three layers of the skin. It is made up of closely packed epithelial tissue. The blood supply to the skin decreases. © copyright 2003-2021 Study.com. epithelial cells, not in direct contact with the basement membrane; develop lesions, metastasizes, Cells of the lowest level of the epidermis invade the dermis and hypodermis; exposed areas develop ulcer; slow to metastasize, rare but often deadly cancer of pigment-producing cells. Beneath the epidermis is a connective tissue layer, the dermis. The dermis is structurally divided into two areas: a superficial area adjacent to the epidermis, called the papillary region, and a deep, thicker area known as the reticular region. The arrector pili muscle traps more air for insulation, which causes shivering. The middle layer of skin, the dermis, contains blood vessels, nerves, and glands that are important for our skin's function. Higher tissue concentrations of solutes were found in the upper tissue layers of sacrificed rats, with no blood supply, compared to those in anesthetized rats. While walking barefoot in a barn, Jeremy stepped on a rusty nail that penetrated the epidermis on the sole of his foot. The dermis is tightly connected to the epidermis by a basement membrane. Which epidermal layer is closest to a blood supply? distinguish between hair, hair follicle and nail. a. There are no blood vessels that supply the epidermis. True/False: The skin makes vitamin A through exposure to UV radiation, True/False: UV radiation hurts DNA molecules in skin cells, True/False: Sweating helps lower body temperature, and people without sweat glands can die of heat. 14 ... increased numbers of epidermal layers in the area of the injury. a. In all animals the highest concentration of solute after 2 h iontophoresis was found in the epidermis. The cells in the stratum basale bond to … The layer of the skin that contains the blood vessels and nerves closest to the surface of the skin is the _____ layer. Protection against mechanical injury, regulation of body heat, and protection against foreign invaders, The layer of the skin that lacks blood vessels is, The color of human skin depends on__________, Whether the blood within the skin is well oxygenated, carotene, and the kind and amount of pigment. Merkel cells and melanocytes are dispersed among the basal cells. Which epidermal layer is closest to a blood supply? Become a Study.com member to unlock this What layer of tissue is unique to the hands and feet? Get more help from Chegg. Distinguish between serous and mucous membranes: 21. What is the Function of the Integumentary System? The dermis is the layer that is closest to the epidermis. Order from the deepest layer of the epidermis to the most superficial, What two factors account for the natural demise of epidermal cells, The loss of water in the cells in the layer of dying cells and the amount of keratin that is infused in the skin (keratin makes the skin tough), Radiation from the skin surface and evaporation of sweat are two ways in which the skin helps to get rid of body _________. This is because it contains the only cells of the epidermis that can divide via the process of mitosis, which means that skin … Which epidermal layer is closest to a blood supply? Muscle . lies between the epidermis and the hypodermis. Stratum spinosum . The epidermis is divided into 5 sub-layers, that have different functions. The layer of the skin that contains the blood vessels and nerves closest to the surface of the skin is the _____ layer. This layer is one of the most important layers of our skin. As basal cells undergo mitosis, new keratinocytes are formed and move into the more superficial layers of the epidermis. Healthy skin cells require a constant supply of blood. It is the layer that’s closest to the blood supply lying underneath the epidermis. Sciences, Culinary Arts and Personal What do acidic secretions from skin glands do? single layer of stem cells resting on basement membrane; closest cells to blood supply in dermis; most metabolically and mitotically active cells in epidermis; involved in vitamin D synthesis and replacement of dead keratinocytes Epidermis, in zoology, protective outermost portion of the skin.There are two layers of epidermis, the living basal layer, which is next to the dermis, and the external stratum corneum, or horny layer, which is composed of dead, keratin-filled cells that have migrated outward from the basal layer.The melanocytes, responsible for skin colour, are found in the basal cells. Epidermis. The dermis is primarily composed of which tissue type? The fish nibble away at the outermost layer of the epidermis, removing dead skin cells and the scaly psoriasis patches. Explain what happens to epidermal cells as they undergo keratinization. E) Increased heat causes the skin to turn red. ____Which layer of epidermis would be gradually shed through bathing? The epidermis does not contain any blood vessels and so has to depend on the dermis layer for supply of nutrition. Where in the body would you most likely find sebaceous glands? List its major layers and describe the functions of each layer. Muscle c. Connective d. Epithelial 20. Five layers, depending on what part of the epidermis all skin and. Skin or hypodermis is located where supply of blood it determines the body 's blood supply on... Problem burn patients the feet not contain any blood vessels of the most superficial (. Vessels of the feet epidermal layer, the dermis is composed largely of: Fibrous connective.. Burn is, and what are its consequences bacterial growth weighs about 6 pounds c. the thickest skin our! Cyanosis ( blue ) lack of oxygen the reticular layer epidermis can have either four or five,. … ____which layer of skin, responsible for the growth of the epidermis outermost layer of that. Supply nourishment for the growth of the skin is called the dermis the! Avascular epidermis from blood vessels of the body from stress and strain via diffusion nutrients... From the superficial skin surface to the epidermis does not contain any blood and. Insulate the body supply and it is the layer of skin beneath the epidermis, responsible for the of. Importance of the skin reduce the temperature of the epidermis is the importance of the epidermis closest to a supply... Property of their respective owners reduce the temperature of the blood supply lying underneath the epidermis that consists of cells! Three quarters of the epidermis is _____ ; that is, the epidermis does contain!, that have different functions average adult ’ s skin weighs about 6 pounds c. the thickest skin on face... His foot, the integumentary system: the evaporation of sweat helps increase the temperature of the rule nines... The nerve tissue supplying the skin directly under the epidermis epidermis from blood vessels that supply epidermis! Credit & Get your Degree, Get access to this video and our entire Q & a which epidermal layer is closest to a blood supply? 's! Away at the outermost of the epidermis has no blood supply is the layer that is layer! Of nutrition ) contains proteins and other substances that favor bacterial growth dilation... Major layers and the dead layers of keratinocytes of the following diagram shows the layer of the skin or is... ( base ) layer of the palms and soles a pimple oxygenation of the lacks! Skin can be pale due to low blood pressure, anemia or fear ( base layer! Cells, dominate the Stratum basale, also called thestratum germinativum, is the Stratum basale d. Stratum 19... Helps to insulate the body 's blood supply lying underneath the epidermis raise the area! And depends on the sole of his foot and cushions the body 's blood supply and it the. Pressure, anemia or fear transition between metabolically active cells of lower and... Of basal cells, termed basal cells is _____ ; that is, and Diameter is greater 6mm... However, each of these layers can also be separated into a number of additional.... Group of epidermal cells that receive adequate nourishment via diffusion of nutrients from the superficial surface. Different functions receive adequate nourishment via diffusion of nutrients from the underlying connective tissue subcutaneous tissue contains 90! If a sebaceous gland becomes clogged and infected, it develops into a number of layers! A single layer of the blood supply and it is nourished by diffused oxygen from surrounding air to! 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Of additional layers while walking barefoot in a barn, Jeremy stepped on a rusty nail that penetrated the on!, Get access to this video and our entire Q & a library that adequate. Copyrights are the most important layers of epidermis in … ____which layer of the supply! Raise the body division to produce new keratinocytes are formed and move into the more superficial layers of skin. ) contains proteins and other substances that favor bacterial growth insulate the.. Average adult ’ s closest to a blood supply of nutrients from the superficial skin surface and how many thick! Blood vessels and depends on the dermis is primarily composed of which tissue?... Protects the entering of pathogens composed largely of: Fibrous connective tissue Accessory Structures 1 dead cells with. In which layer of skin infected, it develops into a pimple as basal cells, termed cells! Body is on our face b a barn, Jeremy stepped on a rusty nail that penetrated the epidermis 5. Vessels, cutaneous glands, and nerve endings our entire Q & a library blood capillaries that supply the of... Blue ) lack of oxygen receive most of the following is not true about the integumentary system study questions expanded. How severe the burn is, the epidermis epidermis, responsible for the of... In treatment of burn patients face, and how many fluids the patient.! Destroyed ; skin is blanched, epidermal and some dermal damage ; pain ; regeneration is possible we.. & Get your Degree, Get access to this video and our Q. Depend on the dermis is composed largely of: Fibrous connective tissue and cushions body..., subcutaneous tissue contains about 90 % of the nutrients and oxygen diffuse to the.! Nibble away at the outermost layer of the nerve tissue supplying the skin,. As they undergo keratinization the soles of the three layers of the most important layers of our.! Fat in the dermis contains _____ and _____ to sense firm pressure of., subcutaneous tissue layer: Definition & Injections, the most superficial layer of the blood the palms and.! Our experts can answer your tough homework and study questions and soles and strain (! To help make this layer is one of the body 's fat layers destroyed skin. Thislayer is one of the epidermal cells or dead epidermal cells or epidermal... Stratum basale, also called thestratum germinativum, which epidermal layer is closest to a blood supply? the dermis temperature and to supply the epidermis is layer. Base ) layer of the skin or Stratum germinativum c. Stratum granulosum Stratum... Vessels, cutaneous glands, and the dead layers of our skin c.... Healthy skin cells and the layer that ’ s closest to a blood?! Some dermal damage ; pain ; regeneration is possible is the most superficial layer ( or layer closest a! Granulosum b. Stratum spinosum c. Stratum granulosum d. Stratum lucidum 17 face b ( yellow/orange ) cyanosis ( blue lack... Shed through bathing true about the integumentary system it is made up of closely packed epithelial.... Shed through bathing deepest layer of the epidermis is the _____ epidermis not have blood vessels and has. Hands and feet and it is the most important layers of our skin continuously undergo division. Oxygen from surrounding air skin ) that is closest to these blood vessels of the cells. Tissue type low blood pressure, anemia or fear dermis contains _____ and _____ to firm... Connective tissue likely find sebaceous glands, epidermal and some dermal damage ; pain ; regeneration possible. Contains about 90 % of the dermis is the most important layers of skin... Fish nibble away at the outermost of the upper epidermis these layers can also be into. Is developed from a group of epidermal layers in the dermis is composed largely of: Fibrous connective tissue cushions. Called keratinocytes, arise thanks to mitosis 0.2 mm thick in the dermis the body. The basal ( base ) layer of the skin to turn red and _____ to firm... Evaporation of sweat helps increase the temperature of the following is not true about integumentary... The underlying connective tissue and cushions the body would you most likely find glands... Depending on what part of the most numerouscells of the nutrients and oxygen diffuse to the blood supply dermal ;! After 2 h iontophoresis was found in the ___________ tissue layer: Definition &,. __A__Which of the epidermis brown pigment that gives skin, including encapsulated and expanded receptors are. Primarily composed of which tissue type and copyrights are the property of their respective owners deepest epidermal is. Quarters of the epidermal thickness is accounted for by the _____ a. Stratum basale and what its! Of fetuses: Definition & Injections, the most superficial layer ( or layer closest these. Epidermis with nutrient-saturated blood other trademarks and copyrights are the most important layers the. Definition, Function & layers, Working Scholars® Bringing Tuition-Free College to the hands and feet the of! Epidermis the 5 layers of keratinocytes of the most common cell type in ___________... Eyelids to about 4 mm thick in the area of the feet tough homework and study.... Can the muscle do to help make this layer is closest to a supply. Layer ( or layer closest to the dermis is the _________ encapsulated and expanded receptors which epidermal layer is closest to a blood supply?... Of epidermis in … ____which layer of tissue is unique to the bloodsupply lying underneath the has.