Chapter 5 Glands of the Integument Flashcards
What is the specific term for Sweat gland?
Sudoriferous gland
Where are sweat glands located?
All skin surfaces except nipples and parts of the external genitalia
How many sweat glands are found in the integument?
~ 3 million per person
What are the two main types of sweat glands?
Eccrine sweat glands
Apocrine sweat glands
What is another term for Eccrine sweat glands?
Merocrine sweat glands
Both types of sweat glands contain what type of cells?
Myoepithelial cells
Myoepithelial cells contract upon __ __ __ to force sweat into ducts.
nervous system stimulation
Which sweat gland is most numerous?
Eccrine sweat glands
Where are eccrine sweat glands located?
Abundant on palms, soles, and forehead
What do the ducts of eccrine sweat glands connect to?
Pores
Eccrine sweat glands function in ___ regulated by sympathetic nervous system.
thermoregulation
The __ __ __ regulates thermoregulation function of eccrine sweat glands.
Sympathetic nervous system
What is the secretion of eccrine sweat glands?
Sweat
What is the composition of sweat?
- 99% water
- salts
- vitamin c
- antibodies
- dermcidin (microbe-killing peptide
- metabolic wastes
Normally, sweat is ___ , between a pH of _ and _.
Acidic,
4, 6
What are the two main types of sweat glands?
Eccrine sweat glands
Apocrine sweat glands
Where are apocrine sweat glands located?
Confined to axillary and anogenital areas
What is the secretion of apocrine sweat glands?
Sweat + fatty substances + proteins (viscous, milky or yellowish)
The apocrine sweat gland secretion is odorless until __ __, which causes body odor.
bacterial interaction
Between eccrine and apocrine sweat glands, which is larger in size?
Apocrine
Where do apocrine sweat gland ducts empty into?
Hair follicles
When do apocrine sweat glands begin to function?
At puberty: function unknown by may act as a sexual scent gland
What are the two types of modified apocrine sweat glands?
Ceruminous glands
Mammary glands
Where are ceruminous glands found?
In the lining of external ear canal.
What is the secretion of ceruminous glands?
Cerumen (earwax)
What is the secretion of mammary glands?
Milk
What are the two main types of glands found in the integument?
Sweat glands
Sebaceous (oil) glands
What main type of gland is widely distributed, except for the thick skin of palms and soles?
Sebaceous (oil) gland
Most sebaceous glands develop from __ __.
hair follicles
Where do sebaceous glands secrete into?
Hair follicles
Sebaceous (oil) glands are relatively __ until puberty.
inactive
Sebaceous oil glands are stimulated by hormones, particularly ___.
androgens
What is the secretion of sebaceous glands?
Sebum
What is sebum?
- oily holocrine secretion
- bactericidal
- softens hair and skin
