IS: Sweat/Sebaceous Glands

Question 1

Sweat glands are also known as…

Answer 1

sudoriferous glands

Question 2

What are the two types of sweat glands?

Answer 2

1. eccrine

2. apocrine

Question 3

Both sweat glands have the same secretory cells […]. Specialized cells that […] when stimulated by the nervous system.

Answer 3

myoepithelial cells; contract

Question 4

Contraction does what to the glands?

Answer 4

contraction forces sweat into and through the duct system to the skin surface

Question 5

Eccrine sweat glands known as..

Answer 5

merocrine sweat glands

Question 6

T/F: There are more apocrine cells than eccrine?

Answer 6

False

Question 7

Where can you find an abundance of eccrine glands?

Answer 7

palms, soles of the feet, and forehead

Question 8

Each gland is […], coiled, and […].

Answer 8

simple; tubular

Question 9

The secretory part lies[…] in the […] while the duct extends to open in a […] at the skin surface.

Answer 9

coiled; dermis; funnel-shaped pore

Question 10

T/F Sweat pores are just like pores of a person’s complexion.

Answer 10

False– the latter are openings for hair follicles

Question 11

Eccrine gland secretion is commonly […] (substance).

Answer 11

sweat

Question 12

Sweat composition:

Answer 12

99% water, some salts (NaCl), metabolic waste, and a microbe killing peptide

Question 13

What is the microbe killing peptide found in sweat?

Answer 13

dermcidin

Question 14

What are the metabolic wastes found in sweat?

Answer 14

urea, uric acid, and ammonia

Question 15

Sweat is […] having a pH between […].

Answer 15

acidic; 4-6

Question 16

Sweats purpose:

Answer 16

regulation– prevent the body from overheating

protection– release dermcidin and metabolic wastes

Question 17

Where does sweat begin?

Answer 17

at the forehead (then travels inferiorly)

Question 18

Emotionally induced sweat begins…

Answer 18

on the palms, soles, and axillae before spreading

Question 19

Where are the 2000 apocrine sweat glands confined at?

Answer 19

the axillary and anogenital areas

Question 20

Apocrine (sweat glands) are […] glands, which release their product by […] like the eccrine […].

Answer 20

merocrine; exocytosis; sweat glands

Question 21

Apocrine glands lie […] in the […] or even in the […] tissue.

Answer 21

deeper; dermis; subcutaneous

Question 22

Apocrine glands ducts empty into…

Answer 22

hair follicles

Question 23

Apocrine secretion contains…

Answer 23

the same basic components as true sweat, plus fatty sub and proteins

Question 24

Apocrine secretion appearance:

Answer 24

viscous, milky/yellowish color

Question 25

Apocrine secretion scent:

Answer 25

odorless but when bacteria on the skin decompose its organic molecules its musky/unpleasant (BO)

Question 26

Apocrine glands begin functioning at...

Answer 26

puberty

Question 27

Apocrine glands begin functioning under the influence of [...] a male sex [...] and play little role in maintaining [...].

Answer 27

androgens; hormones; temperature

Question 28

What is the apocrine gland function?

Answer 28

not known

Question 29

Apocrine glands are the equivalent of animals' [...].

Answer 29

sexual scent glands

Question 30

What are the 3 reasons for believing that the apocrine glands is equivalents to an animals' sexual scent gland?

Answer 30

1. sexual foreplay increases their activity 2. they enlarge and recede with the phases of a woman's menstrual cycle 3. secretions may act as pheromones

Question 31

What are the two types of modified apocrine glands?

Answer 31

1. ceruminous glands | 2. mammary glands

Question 32

Where can you find ceruminous glands?

Answer 32

the lining of the external ear canal

Question 33

Earwax is also called [...].

Answer 33

cerumen

Question 34

Mammary glands secrete [...].

Answer 34

milk

Question 35

The sebaceous glands or [...] glands.

Answer 35

oil

Question 36

Description of sebaceous glands?

Answer 36

simple branched alveolar glands

Question 37

Where are sebaceous glands found?

Answer 37

all over the body except the thick skin of the palms and soles

Question 38

Sebaceous glands are small on the [...] and [...], but quite large on the [...], [...], and [...] chest.

Answer 38

body trunk; limbs; face; neck; upper

Question 39

What do sebaceous glands secrete? What does that product consist of?

Answer 39

sebum bacteria killing properties (bactericidal)

Question 40

Sebaceous-- The central cells of the [...] accumulate oily [...] until they become so engorged that they [...].

Answer 40

alveoli; lipids; burst

Question 41

Functionally, sebaceous glands are [...] glands.

Answer 41

holocrine

Question 42

Most sebaceous glands develop as...

Answer 42

outgrowths of hair follicles

Question 43

[...] contractions force sebum out of the hair follicles to the skin surface.

Answer 43

arrector pili

Question 44

What does sebum do for the hair and skin (3).

Answer 44

1. lubricates to prevent brittleness 2. lubricates to slow water loss 3. bactericidal (bacterium-killing) action