Answered: a. Name the five sublayers of the…

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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Exercise88 25. Identify the functions of the integumentary system. 26. Know how to identify the epidermis, dermis, and hypodermis (subcutaneous layer) in an image of a microscope slide and in an image of the skin model. Which specific tissue(s) is found in each layer (ex. hypodermis is mostly adipose tissue)?

exercice 1.

a. Name the five sublayers of the epidermis starting from the surface of the skin to the most internal layer. Distinguish each of these layers from each other structurally including the cell types found in each layer. Which of these sublayers is absent in thin skin?

b. What is keratin? What is the function of keratin and where do keratinocytes begin its production?

c. What is melanin? What is the function of melanin? Where are the melanocytes that produce it located?

d. In which sublayer of the epidermis is mitosis occurring? In which sublayer do the cells produce lipids for waterproofing?

e. Identify all of the sublayers of the epidermis in an image of a microscope slide and in an image of the skin model.

f. Name the sublayers of the dermis. Which specific tissue is found in each sublayer? Distinguish each of these layers from each other structurally including any special cells, fibers, arrangement of fibers, or other unique structures found in each layer.

g. Identify the sublayers of the dermis in an image of a microscope slide and in an image of the skin model.

h. In which type of skin would you expect to find hairs and hair follicles? Identify a hair and a hair follicle in an image of a microscope slide and in an image of the skin model.

i. Describe the differences between endocrine and exocrine glands.

j. Identify sebaceous glands and eccrine sweat glands in an image of a microscope slide and in an image of the skin model. Are these endocrine or exocrine glands? Distinguish sebaceous and eccrine sweat glands by describing the secretions of each and the functions of those secretions. What specific type of tissue is found in eccrine sweat glands?

k. Where would you expect to find tactile (Meissner) corpuscles and lamellated (Pacinian) corpuscles? What is the function of each? Identify these structures in an image of the skin model.

l. What are the differences between thick and thin skin including location, sublayers of epidermis, hair, sebaceous glands, eccrine sweat glands, tactile corpuscles, and lamellated corpuscles.

m. Name the five sublayers of the epidermis starting from the surface of the skin to the most internal layer. Distinguish each of these layers from each other structurally including the cell types found in each layer. Which of these sublayers is absent in thin skin?

n. What is keratin? What is the function of keratin and where do keratinocytes begin its production?

o. What is melanin? What is the function of melanin? Where are the melanocytes that produce it located?

p. In which sublayer of the epidermis is mitosis occurring? In which sublayer do the cells produce lipids for waterproofing?

q. Identify all of the sublayers of the epidermis in an image of a microscope slide and in an image of the skin model.

q" Name the sublayers of the dermis. Which specific tissue is found in each sublayer? Distinguish each of these layers from each other structurally including any special cells, fibers, arrangement of fibers, or other unique structures found in each layer.

r. Identify the sublayers of the dermis in an image of a microscope slide and in an image of the skin model. 34. In which type of skin would you expect to find hairs and hair follicles? Identify a hair and a hair follicle in an image of a microscope slide and in an image of the skin model.

s. Describe the differences between endocrine and exocrine glands.

t. Identify sebaceous glands and eccrine sweat glands in an image of a microscope slide and in an image of the skin model. Are these endocrine or exocrine glands? Distinguish sebaceous and eccrine sweat glands by describing the secretions of each and the functions of those secretions. What specific type of tissue is found in eccrine sweat glands?

u. Where would you expect to find tactile (Meissner) corpuscles and lamellated (Pacinian) corpuscles? What is the function of each? Identify these structures in an image of the skin model.

v. What are the differences between thick and thin skin including location, sublayers of epidermis, hair, sebaceous glands, eccrine sweat glands, tactile corpuscles, and lamellated corpuscles

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