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: OpenStax College
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Textbook Question
Chapter 5, Problem 3ILQ
Figure 5.6 If you zoom on the cells of the stratum spinosum, what is distinctive about them?
Figure 5.6 Cells of the Epidermis The cells in the different layers of the epidermis originate from basal cells located in the stratum basale, yet the cells of each layer are distinctively different. EM × 2700. (Micrograph provided by the Regents of University of Michigan Medical School © 2012)
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At high power of magnification focus on the layer of the epidermis that appears purple beneath the most superficial layer of thick skin. What are the purple-stained apparent particles that occur in the cells of this layer examined on an H&E slide of thick skin
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Chapter 5 Solutions
Anatomy & Physiology
Ch. 5 - The skin consists of two layers and a closely...Ch. 5 - Figure 5.4 If you zoom on the cells at the...Ch. 5 - Figure 5.6 If you zoom on the cells of the stratum...Ch. 5 - This ABC video follows the story of a pair of...Ch. 5 - The papillary layer of the dermis is most closely...Ch. 5 - Langerhans cells are commonly found in the...Ch. 5 - The papillary and reticular layers of the dermis...Ch. 5 - Collagen lends ________ to the skin. elasticity...Ch. 5 - Which of the following is not a function of the...Ch. 5 - In response to stimuli from the sympathetic...
Ch. 5 - The hair matrix contains ________. the hair...Ch. 5 - Eccrine sweat glands ________. are present on hair...Ch. 5 - Sebaceous glands ________. are a type of sweat...Ch. 5 - Similar to the hair, nails grow continuously...Ch. 5 - In humans, exposure of the skin to sunlight is...Ch. 5 - One of the functions of the integumentary system...Ch. 5 - An individual using a sharp knife notices a small...Ch. 5 - As you are walking down the beach, you see a dead,...Ch. 5 - If you cut yourself and bacteria enter the wound,...Ch. 5 - In general, skin cancers ________. are easily...Ch. 5 - Bedsores ________. can be treated with topical...Ch. 5 - An individual has spent too much time sun bathing....Ch. 5 - After a skin injury, the body initiates a...Ch. 5 - Squamous cell carcinomas are the second most...Ch. 5 - What determines the color of skin, and what is the...Ch. 5 - Cells of the epidermis derive from stem cells of...Ch. 5 - Explain the differences between eccrine and...Ch. 5 - Describe the structure and composition of nails.Ch. 5 - Why do people sweat excessively when exercising...Ch. 5 - Explain your skins response to a drop in body core...Ch. 5 - Why do teenagers often experience acne?Ch. 5 - Why do scars look different from surrounding skin?
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- In 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_forwardDr. Cortez is examining a microscope slide of a tissue sample of skin from a patient with large fluid-filled blisters. What does she see on the slide that would lead her to suspect the patient has bullous pemphigoid? O There is a split between the papillary and reticular layers of the dermis. The stratified squamous epithelium of the epidermis lacks defined layers and the cells of the stratum basale appear squamous in shape rather than cuboidal. O There is an obvious split between the epidermis and the underlying dermis. O The stratum corneum is separated from the stratum germinativum.arrow_forwardWatch the film from time stamp 12:19 minutes to 13:32 minutes. Pause when Dr. Jablonski says, “That is what melanin does.” In this segment of the film, Dr. Jablonski references a paper she had read about the connection between UV exposure and the essential nutrient folate (a B vitamin), which circulates throughout the body in the blood. The paper, published in 1978, describes how the serum (blood) folate concentrations differed between two groups of light-skinned people. You will now look at one of the figures from that paper. Figure 3. Folate Levels in Two Groups of People. In one group (“patients”), 10 individuals were exposed to intense UV light for at least 30–60 minutes once or twice a week for three months. Sixty-four individuals not receiving this treatment (“normal”) served as the control group. The difference between the two groups was statistically significant (p < 0.005). Brackets represent the standard error of the mean, and “ng/mL” means “nanograms per…arrow_forward
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