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Organization of the Body > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Stratum basale

A

Single layer of low columnar cells

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2
Q

Cells in stratum basale

A

Keratinocytes and melanocytes

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3
Q

Stratum spinosum

A

Several layers of flattened keratinocytes, cells attached by desmosomes

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4
Q

Langerhans cells

A

Macrophages present in both stratum spinosum and stratum granulosum

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5
Q

Stratum granulosum

A

Two to five layers of cells with granules.

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6
Q

Stratum lucidum

A

Thin translucent zone seen only in thick skin

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7
Q

Stratum Corneum

A

25-30 layers of dead keratinized cells making a waterproof protective outer layer.

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8
Q

Dermal papillae

A

Responsible for fingerprints

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9
Q

Merorocrine sweat glands

A

Produce watery perspiration to cool the body.

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10
Q

Apocrine sweat glands

A

Occur in groin, axilla and areola. Sweat glands that’s respond to stress and sexual stimulation.

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11
Q

Squamous cell carcinoma

A

Arises from the stratum spinosum

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12
Q

Hypodermis

A

Deepest region also called, superficial fascia

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13
Q

Meissners corpuscle

A

Superficial nerve sensitive to touch

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14
Q

Pacinian corpuscle

A

Inferior nerve sensitive to touch.

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15
Q

Merkel cells

A

Present at epidermal-dermal junction, function as touch receptors.

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16
Q

Layers of Epidermis (Superficial to Deeper) [CLGSB]

A

Corneum Lucidum Granulosum Spinosum Basale

17
Q

Layers of Epidermis: Stratum Granulosum

A

Keratohyaline and lamellated granules accumulate in the cells of the layer

18
Q

Layer of epidermis: Stratum Lucidum

A

Present only in thick skin. Appears as thin transparent band superficial to the s.granulosum

19
Q

Layer of epidermis: Stratum Corneum

A

Outermost layer of keratinized cells. “Horny” cells. Accounts for cell thickness.

20
Q

Eccrine sweat glands

A

Found on palms, soles of the feet, and forehead.

21
Q

Seborrhea (cradle cap) in infants caused by

A

Overactive sebaceous glands.

22
Q

The epidermis is made up of

A

Stratified squamous epithelium

23
Q
A

Organization of the Body (2 decks)

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