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Integumentary System > Funtional Anatomy > Flashcards

Funtional Anatomy Flashcards

1
Q

Integumentary system

A

Most accessible organ

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2
Q

Cutaneous membrane

A

Epidermis

Dermis

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3
Q

Epidermis

A

Stratified squamous, epithelium

Made of mostly keratinocytes
Continuously produced

Merkel cells

Sensory neurons for pain and temperature

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4
Q

Dermis

A

Papillary layer (areolar connective tissue)

Reticular layer (dense irregular connective tissue)

Contains collagen and elastin

Has more specialized receptors

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5
Q

Accessory structures

A

Hair shaft
Sweat gland
Sebaceous gland
Nerve fibers
Cutaneous plexus (blood vessels)

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6
Q

Functions of IS

A

Protect internal tissue from impact, abrasion, fluid loss, and chemicals
Excretion
Maintenance of body temperature
Production of melanin
Produce keratin which is a water repellent
Synthesis of vitamin D
Stores lipids detect touch and pain

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7
Q

Thin skin

A

4 layers of strata

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8
Q

Thick skin

A

5 layer or strata
Only palms and soles of feet

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9
Q

Stratum corneum

A

Dead cells

Top layer

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10
Q

Stratum lucidum

A

Dead cells

Not in thin skin

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11
Q

Stratum granulosum

A

Last layer of living cells

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12
Q

Stratum spinosum

A

Immune cells

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13
Q

Strata basale

A

Single layer of cells

Creates all epidermal cells

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14
Q

Skin color

A

Influenced by melanin, carotene, Blood

Protects against UV radiation

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15
Q

Melanocytes

A

Make melanin

Protects cells from UV radiation

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16
Q

Carotene

A

Orange- yellow pigment

17
Q

Blood supply

A

Red coloration from hemoglobin

18
Q

Basal cell carcinoma

A

Most common skin cancer

Stratum basale response to UV radiation

Many people survive

Does not spread

More common in people under 30

19
Q

Malignant melanoma

A

Spreads

Cancerous melanocytes

Detected early high survival rate

Deadly if not found

20
Q

Line of cleavage

A

Formed arrangement of collagen and elastin fibers in the skin

Significant for surgery and would healing

Parallel = better

Integumentary System (6 decks)

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