Glands

Question 1

What are the basic types of glands does the skin contain

Answer 1

-sweat (sudoriferous) glands: produce sweat

-sebaceous glands: produce oily sebum

Question 2

What are the 4 types of sweat glands

Answer 2

Eccrine, Apocrine, ceruminous, and mammary glands

Question 3

Describe eccrine gland

Answer 3

-most prevalent type

-simple coiled tubular glands in dermis

-sweat mostly contains water, waste products, and electrolytes

-exists from duct through sweat pore onto epidermal surface

-

Question 4

Describe aprocrine gland

Answer 4

-found in axillae, anal area, and areola

-large glands

-rich protein; releases protein-rich secretion to hair follicles

-influeced by sex hormones; becomes active after puberty

Question 5

Describe ceruminous gland

Answer 5

-modified apocrine gland

-releases cerumen (ear wax) into hair follicles in ear

-traps incoming particles along tube leading to tympanic membrane; also lubricates

Question 6

Describe mammary gland

Answer 6

-highly specialized sweat gland

-produces modified sweat (milk)

Question 7

What is Sebaceous gland

Answer 7

-secretes sebum (oil)

-found everywhere on body except palms and soles; a lot on face and scalp

-secretion influenced by sex hormones, especially testosterone

-a lot of sebum production occurs after puberty

Question 8

What is sebum

Answer 8

Waxy, oily mixture of mostly lipids

Released by holocrine secretion

Secretory cells accumulate sebum until cell ruptures

Question 9

What are the functions of sebum

Answer 9

Has lipids, cellular fragments, and debris

Coats hair, provides hydrophobic barrier; inhibits water loss

Inhibits growth of or kills certain bacteria