ther than producing color, what is another function of melanin? O protect keratinocytes' genetic material from UV radiation O helps with the dehydration of skin cells O release mucous secretions that moisturize the the epidermis O produce keratin fibers

ther than producing color, what is another function of melanin? O protect keratinocytes' genetic material from UV radiation O helps with the dehydration of skin cells O release mucous secretions that moisturize the the epidermis O produce keratin fibers

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter5: The Integumentary System

Section: Chapter Questions

Problem 1ILQ: The skin consists of two layers and a closely associated layer. View this animation...

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Question

ther than producing color, what is another function of melanin?
O protect keratinocytes' genetic material from UV radiation
O helps with the dehydration of skin cells
O release mucous secretions that moisturize the the epidermis
O produce keratin fibers

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Collagen lends ________ to the skin. elasticity structure color UV protection
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You develop a callus, which is a thickening of the epidermis, from a pair kd I'll-fitting shoes. To treat the callus, you decide to shave off some of the excess epidermis. While doing this , you notice that there is no pain or bleeding . Why wouldn't it cause paint to remove only the superficial part of the epidermis ? Why wouldn't it bleed ? Unfortunately, you go a bit overboard and feel a sudden pinch, after which you notice you are bleeding . What has happened ? Are you still in the epidermis ? Explain .
You develop a callus, which is a thickening of the epidermis, from a pair of ill-fitting shoes. To treat the callus, you decide to shave off some fo the excess epidermis. While doing this, you notice that there is no pain or bleeding. Why wouldn't it cause pain yo remove only the superficial part of the epidermis? Why wouldn't it bleed ?
1. Complete the table below with information about the different types of cells of the epidermis. Cell Type 1. Brief description of unique cell features Found in which Abundance of layer(s) of epidermis? Name all that apply cells Keratinocyte Stratum basale • Straturn Cells that mony facture Keratin. Linked by numerous desmosomes. SPISOSUM Melanocyte Protein melanin SKIN piogment rangines prom o rovge. red to brown-black. estratum basale Dendritic cells • Stratum Spinosum Pralect the skin ond deeper tissues From pathogens. Tactile/Merkel Cells Sensory receplars Delect light Houch and diffentiale Sapes ond Hexture. ostratum basale
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