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DIRECTIONS: Match the letter of the description and/or function to the epidermal layer that defines it. A. Outermost layer of dead keratinocytes that protect the skin 6. Stratum basale B. Layer of skin composed of areolar and dense irregular connective tissues 7. Stratum spinosum C. Layer of keratinocytes that undergo apoptosis via keratinization 8. Stratum granulosum D. Single layer of active stem cells that undergo somatic cell division 9. Stratum lucidum E. Layer of skin composed of adipose and areolar connective tissue 10. Stratum corneum F. Layer of keratinocytes with intermediate filaments to resist tension G. Layer of clear, flat, dead keratinocytes found only in thick skin

DIRECTIONS: Match the letter of the description and/or function to the epidermal layer that defines it. A. Outermost layer of dead keratinocytes that protect the skin 6. Stratum basale B. Layer of skin composed of areolar and dense irregular connective tissues 7. Stratum spinosum C. Layer of keratinocytes that undergo apoptosis via keratinization 8. Stratum granulosum D. Single layer of active stem cells that undergo somatic cell division 9. Stratum lucidum E. Layer of skin composed of adipose and areolar connective tissue 10. Stratum corneum F. Layer of keratinocytes with intermediate filaments to resist tension G. Layer of clear, flat, dead keratinocytes found only in thick skin

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Matching Epidermal Layers to Their Functions #### Instructions: Match the letter of the description and/or function to the epidermal layer that defines it. - **6. Stratum basale** - **D.** Single layer of active stem cells that undergo somatic cell division - **7. Stratum spinosum** - **F.** Layer of keratinocytes with intermediate filaments to resist tension - **8. Stratum granulosum** - **C.** Layer of keratinocytes that undergo apoptosis via keratinization - **9. Stratum lucidum** - **G.** Layer of clear, flat, dead keratinocytes found only in thick skin - **10. Stratum corneum** - **A.** Outermost layer of dead keratinocytes that protect the skin ### Matching Skin Layers and Structures to Their Functions #### Instructions: Match the letter of the description and/or function to the skin layer or skin structure that defines it. - **11. Epidermis** - **J.** Epithelial skin layer that functions to protect underlying tissues - **12. Dermis** - **E.** Connective-tissue skin layer that functions to nourish and support - **13. Hypodermis (subcutaneous layer)** - **N.** Skin region composed of adipose tissue that functions to retain heat - **14. Dermal papillae** - **G.** Dermal region with Meissner corpuscles that project into the epidermis - **15. Meissner corpuscles** - **B.** Nerve endings located in dermal papillae that detect aspects of touch - **16. Hair shaft** - **O.** Superficial hair structure composed completely of keratinized cells - **17. Hair root** - **H.** Hair structure that surrounds the hair root and functions in hair growth - **18. Hair papilla** - **K.** Hair structure composed of dermal tissue that signals hair growth - **19. Hair follicle** - **D.** Hair structure that develops from hair follicles and secretes sebum - **20. Arrector pili muscle** - **M.** Smooth muscle tissue attached to
Transcribed Image Text:### Matching Epidermal Layers to Their Functions #### Instructions: Match the letter of the description and/or function to the epidermal layer that defines it. - **6. Stratum basale** - **D.** Single layer of active stem cells that undergo somatic cell division - **7. Stratum spinosum** - **F.** Layer of keratinocytes with intermediate filaments to resist tension - **8. Stratum granulosum** - **C.** Layer of keratinocytes that undergo apoptosis via keratinization - **9. Stratum lucidum** - **G.** Layer of clear, flat, dead keratinocytes found only in thick skin - **10. Stratum corneum** - **A.** Outermost layer of dead keratinocytes that protect the skin ### Matching Skin Layers and Structures to Their Functions #### Instructions: Match the letter of the description and/or function to the skin layer or skin structure that defines it. - **11. Epidermis** - **J.** Epithelial skin layer that functions to protect underlying tissues - **12. Dermis** - **E.** Connective-tissue skin layer that functions to nourish and support - **13. Hypodermis (subcutaneous layer)** - **N.** Skin region composed of adipose tissue that functions to retain heat - **14. Dermal papillae** - **G.** Dermal region with Meissner corpuscles that project into the epidermis - **15. Meissner corpuscles** - **B.** Nerve endings located in dermal papillae that detect aspects of touch - **16. Hair shaft** - **O.** Superficial hair structure composed completely of keratinized cells - **17. Hair root** - **H.** Hair structure that surrounds the hair root and functions in hair growth - **18. Hair papilla** - **K.** Hair structure composed of dermal tissue that signals hair growth - **19. Hair follicle** - **D.** Hair structure that develops from hair follicles and secretes sebum - **20. Arrector pili muscle** - **M.** Smooth muscle tissue attached to
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