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Anaphy > Integumentary part 1 > Flashcards

Integumentary part 1 Flashcards

1
Q

two major subdivision

A
  • cutaneous
  • accessory
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2
Q

cutaneous membrane

A
  • epidermis
  • dermis
  • hypodermis
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3
Q

accessory structures

A

excretory glands

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4
Q

strata

A

different layer

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5
Q

dermis

A

connective tissue

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6
Q

has the ability to regenerate and mitosis

A

stratum germinativum

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7
Q
  • 5th
  • combination of 4th and 5th basale
  • stem cell
A

stratum basale

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8
Q

touch receptors in hairless skin only

A

merkel cell

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9
Q
  • 4th layer
  • spiny layer
  • Melanocytes & Langerhans
A

stratum spinosum

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10
Q

Establishment of desmosomes

A

adhesive/tightens the skin

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11
Q

protect the skin from infection

A

langerhans cell

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12
Q
  • 3rd layer
  • Production of keratohyalin and keratin fibers
  • cells start to die
A

stratum granulosum

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13
Q
  • 2nd layer
  • found at the hands and soles of feet
  • clear layer (lucid)
A

stratum lucidum

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14
Q
  • first layer that is dry
  • Many layers of flattened, dead cells, filled with keratin
  • Dead = nephrotic = ready to be disposed
A

stratum corneum

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15
Q

in extracellular space

A

glycolipids

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16
Q
  • Average 0.08mm
  • Rest of body
  • 4 layer
  • No lucidum
A

THIN refers to epidermis

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17
Q
  • 6x thicker
  • found sole of the foot
  • callous
A

thick

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18
Q

CONTOUR OF SKIN SURFACE FOLLOWS PATTERN OF

A

EPIDERMAL RIDGES

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19
Q

Why do we need the lines?

A

for the grip

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20
Q
  • Border line of dermis and epidermis
  • Structure that make your fingerprint unique
  • 1st area of dermis
A

dermal papila

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21
Q

lines in your skin

A

lunger lines

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22
Q

dermal blood supply

A

hemoglobin

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23
Q

decrease in Oxygen level

A

cyanosis

24
Q

Produced by melanocytes of stratum basale

A

melanin

25
Q

obtain from plant food

A

Carotene

26
Q
  • yellow skin
  • jaundice
A

bilirubin

27
Q
  • Produce melanin
  • Protect us from skin cancer
A

melanocyte

28
Q

Dense irregular c.t.

A

reticular layer

29
Q
  • project between epidermal ridges
  • makes the finger print unique
A

dermal papillae

30
Q
  • loose c.t.
  • capillaries
A

papillary layer

31
Q
  • Consist of dense c.t.
A

reticular layer

32
Q

components of dermis

A
  • hair shaft
  • hair bulb - growth zone
  • hair follicle
33
Q

infection of hair follicle

A

folliculitis

34
Q

o Produce goosebumps
o Makes the hair stand straight

A

arrector pili muscle

35
Q

new born baby hair

A

lanugo hair

36
Q

grows continuously in length, and on the face of males

A

angora hair

37
Q

grows to a certain length and then ceases to grow (eyelash, eyebrow, pubic, and axillary)

A

definitive

38
Q

3 layers of hair in cross section

A

o Medulla – inner part
o Cortext - thick middle part
o Cuticle – covers cortext and form toughened outer potion

39
Q
  • Also call sudoriferous glands
  • Widely distributed in the skin, numeroun in pals, sole, axillary, and oubiv
  • Secretion evaporates and cools the body
  • Urea, sodiu, chloryde, lactic acid
A

sweat glands

40
Q

two types of sweat glands and definition

A

Medocrine sweat gland
- More numerous and found all over the body, especially in forehead, back, palms, and soles

Apocrine sweat glands
- much larger, localized gland found in axillary and pubic region where they secrete into hair follicle
- not functional until puberty
- odorless or once accumulated with bacterial it can cause body odor

41
Q
  • Indistinct boundary (c.t. fibers interwoven)
  • Located below dermis that serves as a foundation of skin
  • Attaches skin to underlying muscle & bone
A

HYPODERMIS/SUBCUTANEOUS TISSUE/fat

42
Q

HYPODERMIS made up of

A
  • loose
  • adipose
43
Q

function of HYPODERMIS/SUBCUTANEOUS TISSUE/fat

A

stabilization of skin while allowing for
independent movement

44
Q

serves as insulator

A

adipose

45
Q

caused by decreased collagen

A

wrinles

46
Q

lineae albicantes

A

stretch marks

47
Q

decubitus ulcer

A

bedsore

48
Q

three hair type

A
  • vellus
  • intermediate
  • terminal
49
Q

Bakit umaatras yung hairline

A
  • stress
  • gene
  • Andropose ‘menopause sa lalaki’
50
Q

Holocrine
* Found all over the skin except on palms and sole
* Sebum– discharge into hair follicles (lubrication & bactericidal)
* Sebaceous follicles – large sebaceous glands, that discharge directly to the epidermis
- acne

A

Sebaceous glands

51
Q
  • Have merocrine secretion!
  • Empty into hair follicle
  • Location: armpits, groin, nipples
  • Viscous, cloudy secretion
    o Good nutrient source of bacteria (ODOR)
  • Secretion may contain pheromones
  • Secretion begins at puberty and is stimulated during emotional distress ( cold sweat)
A

Apocrine sweat glands

52
Q
  • Empty directly onto the skin surface
  • Walang odor
  • Location: most all over the body
    o Esp abundant on palms * soles 500/cm2
  • clear, watery secretion (99% h2o; rest NaCI_ some waste products)
  • sensible respiration
    o insensible water loss, minimal water loss
A

Merocrine sweat glands

53
Q

All exocrine glands (they release secetion to skin surface via ducts)

A

cutaneous glands

54
Q

Modified apocrine sweat glands

A

mammary glands

55
Q

Modified sweat glands in cerumen

A

ceruminous glands

Anaphy (8 decks)

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