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Anatomy&Physiology > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Layers of Epidermis

A

Basale, Spinosum, Granulosum, Lucidum, Corneum

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2
Q

Stratum Basale

A

Single Layer, Mitotic Stem Cells, House Melanocytes and Sensory Nerves

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3
Q

Stratum Spinosum

A

Several Layers, keratinocytes joined by desmosomes, thick bundles of intermediate filaments made of pre-keratin

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4
Q

Stratum Granulosum

A

One-Five layers; Lamelar Granules (glycolipid waterproofing), Keratohyaline Granules (Keratin Fibrils)

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5
Q

Stratum Lucidum

A

Thin translucent band; only in thick skin

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6
Q

Stratum Corneum

A

20-30 layers, Keratin Cells that sluff off with contact

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7
Q

Layers of Dermis

A

Papillary Layer and Reticular Layer

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8
Q

Papillary Layer

A

Areolar CT: Finger like projections; Dermal Papillae; Abundant capillary networks; allow heat control; Touch Receptors (Tacticle corpuscles)

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9
Q

Reticular Layer

A

Dense Irregular CT: Pressure Receptors (Lamellar Corpuscles)

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10
Q

Skin Color Based on:

A

Melanin, Oxygenation of blood, and Carotene

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11
Q

Carotene

A

Yellow/Orange pigment present primarily in stratum corneum and in adipose tissue

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12
Q

Nails: Body

A

Visible Attached portion

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13
Q

Nail: Free Edge

A

Tip of the nail

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14
Q

Hyponychium

A

Underside tip of nail

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15
Q

Nail: Root

A

Part that is embedded in the skin and adheres to nail bed

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16
Q

Nail bed

A

Extension of stratum basale beneath the nail

17
Q

Nail Folds

A

Skin folds that overlap the borders of the nail

18
Q

Eponychium

A

Thick proximal nail fold commonly called the cuticle

19
Q

Nail Matrix

A

Thickened proximal part of nail bed that produce thenail.

20
Q

Lunule

A

Proximal region of thickened nail that is white crescent

21
Q

Arrector Pili Muscle

A

Smooth muscle that pulls on hair follicle

22
Q

Cutaneous Glands

A

Sebaceous and Sweat Glands

23
Q

Sebaceous Glands

A

Secret sebum which acts as an oil for hair/skin

24
Q

Eccrine

A

Sweat gland that secret water, salt, urea (all over skin)

25
Q

Apocrine

A

Secret Eccrine content +protein and fat-rich substances (axillary and genitalia)

Anatomy&Physiology (8 decks)

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