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histology > skin appendages and mammary gland > Flashcards

skin appendages and mammary gland Flashcards

1
Q

Highly modified keratinized structures

A

Hairs

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2
Q

a terminal expansion of the follicle where
hair growth takes place

A

Hair bulb

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3
Q

Helps in the growth of the hair

A

Dermal papilla: vascular tissue

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4
Q

Attached to the hair follicle; Important for producing goosebumps

A

Arrector pili muscle

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5
Q

Two structures attached to the hair follicle

A

Arrector pili muscle & Sebaceous Glands

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6
Q

muscle tissue sub type of arrector pili muscle

A

smooth muscle

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7
Q

Hairs grow continuously (t or f)

A

false (discontinuously)

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8
Q

Found only when there is a hair follicle

A

sebaceous glands

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9
Q

an oily substance

A

sebum

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10
Q

Embedded in the dermis except in areas lacking hairs

A

sebaceous glands

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11
Q

what type of secretion does sebaceous glands have?

A

holocrine secretion

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12
Q

what type of cells does seba… glands have

A

sebocytes

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13
Q

important function of that oily substance?

A

lubricates the epidermis and hair

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14
Q

morphology of sebaceous glands

A

Simple branched alveolar glands

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15
Q

t or f: sweat glands is always attached to the hair just like sebaceous glands

A

f ( they can stand alone)

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16
Q

importance of sweat glands

A

thermoregulation

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17
Q

what does the sweat glands secrete (6)

A

watery fluid, ammonia, sodium, chloride,
urea, and uric acid

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18
Q

2 types of sweat glands

A

eccrine and apocrine sweat glands

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19
Q

morphology of sweat glands

A

Simple, coiled tubular glands

20
Q

other term of sweat glands

A

Sudoriferous glands

21
Q

type of sweat glands that secret thru sweat pore?

A

eccrine sweat glands

22
Q

epithelial cells that have a contractile function?

A

myoepithelial cells

23
Q

Found in the axillae, areola, inguinal, and genital
regions

A

Apocrine Sweat Glands

24
Q

secretes viscid, milky, and odorless fluid

A

Apocrine Sweat Glands

25
Q

discharge thru hair follicles

A

Apocrine Sweat Glands

26
Q

t or f: apocrine glands start functioning as soon as you are born.

A

false (puberty pa beh)

27
Q

this nerve activates apocrine glands

A

adrenergic nerve

28
Q

t or f: emotional stress can increase secretion of apocrine

A

true

29
Q

difference between eccrine and apocrine based on their lumens

A

Eccrine: smaller
Apocrine larger

30
Q

A highly specialized appendage

A

nails

31
Q

Proximal end of the nail:

A

nail root

32
Q

lining epithelium of nail bed

A

stratified squamous epithelium

33
Q

Consists of dense keratinized plate:

A

nail plate

34
Q

underlying nail root; nail growth
occurs

A

nail matrix

35
Q

white crescent shape at base of nail

A

lunula

36
Q

skin overlying root of nail

A

nail fold

37
Q

highly keratinized free edge

A

eponychium

38
Q

skin beneath free end of nail

A

hyponychium

39
Q

Highly modified apocrine sweat glands

A

Mammary Glands

40
Q

location of mammary glands

A

anterior to pectoral muscles

41
Q

how many glandular units does each breast have?

A

15-25 glandular units

42
Q

t or f: mammary glands are embedded in the dermis layer

A

false (embedded in mass of adipose tissue)

43
Q

single large duct draining each
lobe, everything goes into the nipple

A

Lactiferous duct

44
Q

skin surrounding the nipple, pigmented,
contains sebaceous glands not associated with hair
follicles

A

areola

45
Q

Subdivided by collagenous septa

A

mammary glands

46
Q

t or f: mammary glands rest on the rectus abdominis muscle

A

false (pectoralis lang beh, ang baba naman ng dede mo)

47
Q

t or f: All the Lactiferous ducts converge into the nipple

A

true

histology (5 decks)

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