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integumentary system > Dermis > Flashcards

Dermis Flashcards

1
Q

Projections of the papillary layer

A

Dermal papillae

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2
Q

What indents into the epidermis and creates a wavy border

A

Dermal Papillae

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3
Q

Function of the dermal papillae/ papillary layer

A

House pain receptors and touch receptors
House fingerprints
Contain capillary loops

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4
Q

Function of the capillary loops

A

Provide nutrients to the epidermis

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5
Q

Deepest skin layer

A

Reticular

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6
Q

What does the reticular layer contain?

A

Blood vessels
Sweat and oil glands
Deep pressure receptors

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7
Q

Deep pressure receptors

A

Lamellar corpuscles

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8
Q

What does the dermis contain?

A

Collagen and elastic fibers

Blood vessels

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9
Q

Give skin it’s toughness

A

Collagen fibers

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10
Q

Give skin it’s elasticity

A

Elastic fibers

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11
Q

What is the role of blood vessels in the dermis?

A

Body temperature regulation

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12
Q

Yellow brown or black pigments

A

Melanin

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13
Q

Orange-yellow pigment from some vegetables

A

Carotene

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14
Q

Red coloring from blood cells in dermal capillaries

A

Hemoglobin

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15
Q

What determines the extent of red coloring

A

Oxygen content

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16
Q

Blood has escaped from circulation and clotted in tissue spaces

A

Bruises

17
Q

Tissues where blood clots

A

Hematoma

18
Q

Liver disorder

A

Jaundice

19
Q

Yellowing

A

Jaundice

20
Q

Blanching or pale

A

Pallor

21
Q

Due to emotional stress such as fear, anemia, low blood pressure, impaired blood flow to an area

A

Pallor

22
Q

Erythema

A

Redness

23
Q

Due to embarrassment, inflammation, hypertension, fever, or allergy

A

Redness/erythema

24
Q

When hemoglobin is poorly oxygenated, blood and skin of Caucasians appears blue

A

Cyanosis

25
Q

When is cyanosis common?

A

Heart failure or severe breathing disorders

26
Q

Where is cyanosis in African Americans common

A

Mucous membranes and nail beds

27
Q

Upper dermal region

A

Papillary

integumentary system (10 decks)

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