Chapter 5 Glands of the Integument

Question 1

What is the specific term for Sweat gland?

Answer 1

Sudoriferous gland

Question 2

Where are sweat glands located?

Answer 2

All skin surfaces except nipples and parts of the external genitalia

Question 3

How many sweat glands are found in the integument?

Answer 3

~ 3 million per person

Question 4

What are the two main types of sweat glands?

Answer 4

Eccrine sweat glands

Apocrine sweat glands

Question 5

What is another term for Eccrine sweat glands?

Answer 5

Merocrine sweat glands

Question 6

Both types of sweat glands contain what type of cells?

Answer 6

Myoepithelial cells

Question 7

Myoepithelial cells contract upon __ __ __ to force sweat into ducts.

Answer 7

nervous system stimulation

Question 8

Which sweat gland is most numerous?

Answer 8

Eccrine sweat glands

Question 9

Where are eccrine sweat glands located?

Answer 9

Abundant on palms, soles, and forehead

Question 10

What do the ducts of eccrine sweat glands connect to?

Answer 10

Pores

Question 11

Eccrine sweat glands function in ___ regulated by sympathetic nervous system.

Answer 11

thermoregulation

Question 12

The __ __ __ regulates thermoregulation function of eccrine sweat glands.

Answer 12

Sympathetic nervous system

Question 13

What is the secretion of eccrine sweat glands?

Answer 13

Sweat

Question 14

What is the composition of sweat?

Answer 14

• 99% water
• salts
• vitamin c
• antibodies
• dermcidin (microbe-killing peptide
• metabolic wastes

Question 15

Normally, sweat is ___ , between a pH of _ and _.

Answer 15

Acidic,

4, 6

Question 16

What are the two main types of sweat glands?

Answer 16

Eccrine sweat glands

Apocrine sweat glands

Question 17

Where are apocrine sweat glands located?

Answer 17

Confined to axillary and anogenital areas

Question 18

What is the secretion of apocrine sweat glands?

Answer 18

Sweat + fatty substances + proteins (viscous, milky or yellowish)

Question 19

The apocrine sweat gland secretion is odorless until __ __, which causes body odor.

Answer 19

bacterial interaction

Question 20

Between eccrine and apocrine sweat glands, which is larger in size?

Answer 20

Apocrine

Question 21

Where do apocrine sweat gland ducts empty into?

Answer 21

Hair follicles

Question 22

When do apocrine sweat glands begin to function?

Answer 22

At puberty: function unknown by may act as a sexual scent gland

Question 23

What are the two types of modified apocrine sweat glands?

Answer 23

Ceruminous glands

Mammary glands

Question 24

Where are ceruminous glands found?

Answer 24

In the lining of external ear canal.

Question 25

What is the secretion of ceruminous glands?

Answer 25

Cerumen (earwax)

Question 26

What is the secretion of mammary glands?

Answer 26

Milk

Question 27

What are the two main types of glands found in the integument?

Answer 27

Sweat glands

Sebaceous (oil) glands

Question 28

What main type of gland is widely distributed, except for the thick skin of palms and soles?

Answer 28

Sebaceous (oil) gland

Question 29

Most sebaceous glands develop from __ __.

Answer 29

hair follicles

Question 30

Where do sebaceous glands secrete into?

Answer 30

Hair follicles

Question 31

Sebaceous (oil) glands are relatively __ until puberty.

Answer 31

inactive

Question 32

Sebaceous oil glands are stimulated by hormones, particularly ___.

Answer 32

androgens

Question 33

What is the secretion of sebaceous glands?

Answer 33

Sebum

Question 34

What is sebum?

Answer 34

• oily holocrine secretion
• bactericidal
• softens hair and skin