integummentary system Flashcards

1
Q

the bod’s miracle wrao

A

epidermis

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2
Q

cells are produced in the stratum basale

A

keratinocytes,melanocytes, langerhans cells and merkel cells

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3
Q

squamos cell containing

A

keratin

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4
Q

cell divide by mitosis and some of the newoly formed cell become the cell of the more superficial strata

A

stratum basale

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5
Q

keratin fibers and lamellar bodies accumulate

A

stratum spinosum

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6
Q

keratin fibers and lamellar bodies accumulate

A

stratum spinosum

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7
Q

keratohyalin and a hard protein envelope form; lammellar bodies release lipids;cell dies

A

stratum granulosum

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8
Q

keratohyalin and a hard protein envelope form; lammellar bodies release lipids;cell dies

A

stratum granulosum

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9
Q

dead cells containing dispersed keratohyalin

A

stratum lucidum

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10
Q

dead cells containing dispersed keratohyalin

A

stratum lucidum

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11
Q

dead cells with a hard protein envelope; the cells contain keratin and are surrounded by lipids

A

stratum corneum

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12
Q

transformation if stratum basale cell intostratum corneum cells

A

keratinzation

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13
Q

nails and external parts of the hair, more durable, do not desquamate

A

soft keratin

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14
Q

thickened area due to increased number pf layers

A

callus

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15
Q

thickened area due to increased number pf layers

A

callus

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16
Q

-cone shaped structure over bony prominences
-extends deep into epidermis

A

corn

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17
Q
  • thicker than normal stratum corneum slough to produce large, silvery scales
A

psoriasis

18
Q

produces melanin inside melanosomes and then transfer the melanin to keratonocytes

A

melanocytes

19
Q

produces melanin inside melanosomes and then transfer the melanin to keratonocytes

A

melanocytes

20
Q

the size and distribution fo melanosomes determine the?

A

skin tone

21
Q

the size and distribution fo melanosomes determine the?

A

skin tone

22
Q

melanin production is determined genetically but can be influenced by?

A

ultraviolet light (tanning) and hormones

23
Q

an ingested plamt pigment can cause the skin appera yellowish

A

carotene

24
Q

decreased oxygen content in the blood result in a bluish color called

A

cyanosis

25
Q

resposible for the structural strenght and flexibility of the skin; the epidermis exchanges gases nutrients, and waste product with blood vessels in the dermis

A

dermis

26
Q

brings blood vessels close to the epidermis; dermal papillae form fingerprints and footprints

A

papillary layer

27
Q

main fibrous layer of the dermis; strong in many direction ; forms cleavage lines

A

reticular layer

28
Q

located beneath the dermis, the subcutaneous tissue is loose connective tissue that contains collagen and leastin fibers

A

subcutaneous tissue

29
Q

replaced near the time of birth by terminal hair and vellus hairs

A

lanugo

30
Q

replaced near the time of birth by terminal hair and vellus hairs

A

lanugo

31
Q

at puberty, vellus hairs can be replaced with terminal hairs with?

A

terminal hairs

32
Q

each hair consists of?

A

shaft root and hair bulb

33
Q

contraction of the ——— causes hair to stand on end and prodyces goose flesh

A

arrector pili

34
Q

sebum, which oils the hair and the surface of the skin

A

sebaceous glands

35
Q

sweat, which cools the body

A

merocrine sweat glands

36
Q

produce an organic secretionthat can be broken down by bacteria to cause body odor

A

apocrine sweat glands

37
Q

is stratum corneum containing hard keratin

A

nails

38
Q

is stratum corneum containing hard keratin

A

nails

39
Q

-appearas small, shiny elevation
- elvation enlarges, develops central depression with pearly edge

A

basal cell carcinoma

40
Q
  • metastize rapidly and is fatal without treatment . increased risk for people who had severe sunburns,especially as children
A

malignant melanoma

41
Q
  • arise from keratinocytes of stratum spinosum
  • lesions usually appera on scalp, ears, lower lip , or back of hand
A

squamos cell carcinoma

42
Q
  • arise from keratinocytes of stratum spinosum
  • lesions usually appera on scalp, ears, lower lip , or back of hand
A

squamos cell carcinoma