Chapter 5 - Anatomy and Physiology and Skin Pages

Question 1

skin is also called the

Answer 1

integument

Question 2

generic term for an agent that stimulates the development of male characteristics

Answer 2

androgen

Question 3

very small duct

Answer 3

ductule

Question 4

state of equilibrium of the internal environment of the body despite changes in the external environment

Answer 4

homeostasis

Question 5

forming a complex substance by the union of simpler compounds or elements

Answer 5

synthesize

Question 6

outer layer of skin that is relatively thin over most areas but is thickest on the palms of the hands and the sole of the feet

Answer 6

epidermis

Question 7

epidermis is composed of several sublayers called

Answer 7

strata

Question 8

layer of epidermis that is composed of dead, flat cells that lack a blood supply and sensory receptors

Answer 8

stratum corneum

Question 9

layer of epidermis that is composed of living cells where new cells are formed

Answer 9

basal layer

Question 10

cells that produce of black pigment called melanin

Answer 10

melanocytes

Question 11

provides a protective barrier from the damaging effects of the sun’s UV radiation

Answer 11

melanin

Question 12

a person who cannot produce melanin

Answer 12

albino

Question 13

second layer of skin that lies directly beneath the epidermis. It is composed of living tissue capillaries, lymphatic vessels, nerve endings, hair follicles, sebaceous (oil) glands, and sudoriferous (sweat) glands

Answer 13

dermis, also called corium

Question 14

third layer of skin that binds the dermis to underlying structures, composed primarily of loose connective tissue and adipose (fat). Stores fats, insulates and cushions the body, and regulates temp

Answer 14

subcutaneoush layer, also called the hypodermis

Question 15

oil and sweat glands are called _________ because they secrete substances through ducts to an outer surface of the body

Answer 15

exocrine glands

Question 16

glands that secrete perspiration through pores and colol the body by evaporation, excrete waste products, and moisten surface cells

Answer 16

sweat glands

Question 17

third layer of skin that binds the dermis to underlying structures, composed primarily of loose connective tissue and adipose (fat). Stores fats, insulates and cushions the body, and regulates temp

Answer 17

subcutaneous layer, also called the hypodermis

Question 18

glands that yield an oily secretion called sebum which helps destroy harmful organisms on the skin because of there acidic nature, prevents infection

Answer 18

oil glands

Question 19

visible part of the hair

Answer 19

hair shaft

Question 20

part of hair that is embedded in the dermis

Answer 20

hair root

Question 21

the root, together with it coverings

Answer 21

hair follicle

Question 22

bottom of the follicle is a loop of capillaries enclosed in a covering

Answer 22

papilla

Question 23

where each nail is formed, composed of keratinized epithelial cells

Answer 23

nail root

Question 24

as the nail grows, it stays attached and slides forward over the layer of epithelium

Answer 24

nailbed

Question 25

part of the nail that appears pink because of the underlying vascular tissue

Answer 25

nail body

Question 26

region of the nail where growth occurs

Answer 26

lunula