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

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
What are thermal receptors?
Temperature sensors
26
Who did thermal receptors provide information to?
Hypothalamus
27
What does the hypothalamus use thermal receptors for?
Bodies thermostat
28
What does the hypothalamus do when the body temperature is too high?
Stimulates, cutaneous vasodilation
29
What is cutaneous vasodilation?
Increase in blood vessel diameter in the skin
30
What does the hypothalamus stimulate?
Sweat production
31
What traps particles that contain pathogens
Hair sweat, and cercumen
32
When epidermal sell shed what falls
Pathogenic microbes
33
What protects the body from dehydration
A tough protein made by epithelial keratinocytes