Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Textbook Question
Chapter 5, Problem 15CP
Why doesn't epidermal wound healing result in scar formation?
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How epidermal wound and deep wound heal?
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Chapter 5 Solutions
Principles of Anatomy and Physiology
Ch. 5 - l. What structures are included in the...Ch. 5 - Prob. 2CPCh. 5 - 3. What are the structural and functional...Ch. 5 - How are epidermal ridges formed?Ch. 5 - What are the three pigments in the skin, and how...Ch. 5 - What is a tattoo? What are some potential problems...Ch. 5 - Describe the structure of a hair. What causes...Ch. 5 - Contrast the locations and functions of sebaceous...Ch. 5 - Describe the parts of a nail.Ch. 5 - 10. What criteria are used to distinguish thin and...
Ch. 5 - 111. In what two ways does the skin help regulate...Ch. 5 - How does the skin serve as a protective barrier?Ch. 5 - What sensations arise from stimulation of neurons...Ch. 5 - 14. What types of molecules can penetrate the...Ch. 5 - 15. Why doesn't epidermal wound healing result in...Ch. 5 - Which structures develop as do downgrowths of the...Ch. 5 - What factors contribute to the susceptibility of...Ch. 5 - The amount of dust that collects in a house with...Ch. 5 - Josie reassures her mother that the tattoo she...Ch. 5 - Six months ago, Chef Eduardo sliced through the...
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- Is it true that when new cells are made in the epidermis, they begin to move toward the surface?arrow_forwardWhy does a deep injury to the skin result in abundant scar tissue?arrow_forwardIn clinical practice, drugs can be delivered by diffusion across the skin. This delivery method is called transdermal administration. Why are fat-soluble drugs more desirable for transdermal administration than drugs that are water soluble?arrow_forward
- List the five layers of epidermis from deep to superficial.What are the distinctive features of each layer? Which layeris often absent?arrow_forwardOne important function provided by the layer of epidermis indicated by the arrow is:arrow_forwardDandruff is caused by excessive shedding of cells from the outer layer of skin in the scalp. Thus, dandruff is composed of cells from which epidermal layer?arrow_forward
- Many antiaging skin creams contain collagen and hyaluronic acid. Manufacturers claim that the collagen and hyaluronic acid applied to the surface of the skin will be absorbed into the dermis, where they will be incorporated into dermal tissue?arrow_forwardYour friend just spent a day at the beach but forgot to use sunscreen. That evening she complains of a great deal of pain and you notice that her skin is red and beginning to form large blisters. What type of burn has she suffered? What other potential long-term damage has she done to her skin?arrow_forwardOUTLINE the different epidermal layers with their unique properties and their functions.arrow_forward
- Describe briefly the stages in the formation of hair in epidermal layersarrow_forwardSix months ago, Chef Eduardo sliced through the end of his right thumbnail. Although the surrounding nail grows normally, this part of his nail remains split and doesn’t seem to want to “” What has happened to cause this?arrow_forwardHere is a general view of thick skin. Please use arrows to point to the following: epidermis dermis dermal papilla epidermal ridge hypodermisarrow_forward
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