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Lab Ch 6-8 > Skin / Integumentary System > Flashcards

Skin / Integumentary System Flashcards

1
Q

Epidermis Tissue & function

A

Keratinized stratified squamous epithelium
protection, barrier

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2
Q

Dermis (Papillary Layer) Tissue & function

A

Areolar CT
nutrient supply, sensory

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3
Q

Dermis (Reticular Layer) Tissue & function

A

Dense Irregular CT
strength, elasticity

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4
Q

Hypodermis Tissue & function

A

Adipose CT
insulation, cushioning

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5
Q

Glands Tissue & function

A

Simple cubical epithelium
secretion, regulation

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6
Q

Epidermis layers in order deepest to superficial

A

Stratum basale
stratum spinosum
Stratum granulosum
Stratum lucidum (thick skin)
Stratum corneum

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7
Q

Epidermal ridges function (Epi)

A

grip, friction

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8
Q

Tactile Cells (Merkel cells) function (Epi)

A

touch, sensation

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9
Q

Free Nerve Endings Function (Epi)

A

pain, temperature

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10
Q

Dermal Papillae (Pap) Function

A

light touch

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11
Q

Free Nerve endings (Pap) Function

A

pain, temperature

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12
Q

Tactile Corpuscles (Pap) Function

A

light touch

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13
Q

Capillaries (Pap) Function

A

nutrient delivery, thermoregulation

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14
Q

Lamellated Corpuscles (Ret) Function

A

deep pressure, vibration

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15
Q

Free nerve endings (Ret) Function

A

pain, temperature

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16
Q

Blood Vessels (Ret) Function

A

blood flow, nutrients

17
Q

Blood Vessels (Hypo) Function

A

supply, insulation

18
Q

Keratinocytes

A

produce keratin

19
Q

Melanocytes

A

pigment production

20
Q

tactile cells

A

touch receptors

21
Q

Dendritic cells

A

immune defense

22
Q

Keratinocyte life cycle

A
  1. basal layer: divide, grow
  2. spinosum layer: strengthen, connect
  3. Granulosum layer: keratinize, die
  4. Corneum layer: shed, replace
23
Q

Sebaceous glands function & location

A

F: secrete oil (Sebum)
L: Hair follicles

24
Q

Sweat (merocrine) Glands F & L

A

F: Cool body
L: skin surface

25
Q

Apocrine Glands F & L

A

F: secrete pheromones
L: armpits, groin

26
Q

Eccrine Glands F & L

A

F: regulate temperature
L: everywhere, mostly palms, soles

27
Q

hair matrix F & L

A
28
Q

Papilla F & L

A

F: nourishes hair
L:base of hair follicle

29
Q

Arrector Pilli F & L

A

F: raise hair
L: attached to hair follicles

Lab Ch 6-8 (2 decks)

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