Integumentary Flashcards

1
Q

What is the main organ of the the integumentary system

A

Your skin

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2
Q

What are the three layers?

A

Epidermidis dermis hypodermis

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3
Q

Which is the outer layer of skin?

A

Epidermidis

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4
Q

What kind of tissue does the epidermis contain?

A

Stratified squamous epithelial tissue

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5
Q

What do epidermis cells do as they age?

A

Move to the exterior surface flatten and are replaced

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6
Q

What are hair follicles?

A

The tube switch hair grow

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7
Q

What is the middle layer of skin called?

A

The dermis

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8
Q

What kind of tissue is the dermis?

A

Connective

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9
Q

What is avascular?

A

Lacks blood vessels

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10
Q

What is another name for the dermis?

A

Cutaneous layer

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11
Q

A cut deep enough to bleed hits the

A

Blood vessels of the dermis

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12
Q

Where is the hypodermis?

A

Deepest layer of skin

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13
Q

What is another word for hypodermis?

A

Subcutaneous

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14
Q

What kind of tissue is the hypodermis?

A

Loose connective adipose

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15
Q

What is below the hypodermis?

A

The muscle layer

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16
Q

What does the dermis contain?

A

Blood vessels, nerves sensory receptors, nails hair

17
Q

Where does hair come from?

A

Epithelial cells at the base of hair follicles

18
Q

Where does hair get its oil?

A

Sebaceous gland

19
Q

Sebum combined with cernuminous glands and dead, epithelial cells forms

A

Earwax

20
Q

Apocrine sweat gland is known as

A

Sex pheromone

21
Q

Sweat is produced by

A

Eccrine sweat glands

22
Q

What is the main role of sweat?

A

Regulation of body temperature

23
Q

Functions of integumentary

A

Removes metabolic wastes synthesis vitamin d provides protection

24
Q

Two ways of thermal regulation

A

Perspiration and diameter changes of blood vessels

25
Q

What are thermal receptors?

A

Temperature sensors

26
Q

Who did thermal receptors provide information to?

A

Hypothalamus

27
Q

What does the hypothalamus use thermal receptors for?

A

Bodies thermostat

28
Q

What does the hypothalamus do when the body temperature is too high?

A

Stimulates, cutaneous vasodilation

29
Q

What is cutaneous vasodilation?

A

Increase in blood vessel diameter in the skin

30
Q

What does the hypothalamus stimulate?

A

Sweat production

31
Q

What traps particles that contain pathogens

A

Hair sweat, and cercumen

32
Q

When epidermal sell shed what falls

A

Pathogenic microbes

33
Q

What protects the body from dehydration

A

A tough protein made by epithelial keratinocytes