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Anatomy & Physiology I > Integumentary System Deck (P1) > Flashcards

Integumentary System Deck (P1) Flashcards

1
Q

What are the 4 major functions of the integumentary system?

A

1) Protection
2) Temperature regulation
3) Water loss regulation
4) Housing sensory receptors

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2
Q

What are the 3 major structural regions of the integumentary system?

A

1) Epidermis
2) Dermis
3) Hypodermis

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3
Q

These cells comprise the epidermis.

A

What is keratinized stratified squamous epithelium?

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4
Q

Will you find vascularity (a blood supply) in the epidermis?

A

No

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5
Q

Another name for hypodermis.

A

What is subcutaneous?

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6
Q

Why isn’t the hypodermis considered part of the skin?

A

It does not serve the same function as the more superficial layers do

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7
Q

What type of tissue primarily comprises the hypodermis?

A

Adipose

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8
Q

What are the 5 layers of the epidermis from superficial to deep?

A

1) Stratum corneum
2) Stratum lucidum
3) Stratum granulosum
4) Stratum spinosum
5) Stratum basale

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9
Q

Where will you only find the stratum lucidum?

A

In thick skin, such as the feet & palms

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10
Q

You find granules of { } in the stratum granulosum.

A

Keratin

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11
Q

The stratum spinosum has a { } appearance.

A

Spiny, star-like

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11
Q

You’ll find a single layer of cell shapes ranging from { } to { } in the stratum basale.

A

1) Cuboidal
2) Columnar

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12
Q

Cell division occurs most frequently in this layer of the epidermis.

A

What is the stratum basale?

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13
Q

What specialized cells will you find in the stratum basale?

A

Melanocytes

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14
Q

What are the 2 distinct layers of the dermis?

A

1) Papillary
2) Reticular

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15
Q

What is the purpose of the papillary layer?

A

To bind the epidermis to the dermis

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16
Q

What distinctive identity characteristics do the larger dermal papillae form?

A

Fingerprints

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17
Q

What type of tissue is predominantly found in the papillary layer of the dermis?

A

Areolar connective

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18
Q

The papillary layer contains { } endings.

A

Nerve

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19
Q

What type of tissue is predominantly found in the reticular layer of the dermis?

A

Dense irregular connective

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20
Q

You will find { } structures in the reticular layer.

A

Accessory

21
Q

Which layer of the dermis is vascular?

A

Reticular

22
Q

The papillary layer of the dermis is { } to the reticular layer.

A

Superior

23
Q

What are nails made of?

A

Dead, keratinized epithelial cells

24
Q

What is hair made of?

A

The same as nails; dead, keratinized epithelial cells

25
Q

Hair grows out of a…

A

Follicle

26
Q

Which region of the integumentary system are hair follicles produced from?

A

The dermis

27
Q

What are the 3 parts of a hair follicle?

A

1) Shaft
2) Root
3) Bulb

28
Q

The hair shaft is the { } part of the hair.

A

Visible

29
Q

The hair root is located { } the skin.

A

Below

30
Q

The hair bulb is located at the { } of the root.

A

Base

31
Q

The arrector pili muscle is an { } muscle located just beside each { }.

A

1) Involuntary
2) Hair follicle

32
Q

When it gets cold, the arrector pili muscles are responsible for…

A

Goosebumps

33
Q

What is the purpose of the sebaceous glands?

A

Secrete sebum into hair follicles

34
Q

Merocrine (eccrine) sweat glands are found { }, mostly in places such as the { }, { }, and { }.

A

1) All over the body
2) Palms
3) Soles of feet
4) Forehead

35
Q

Apocrine sweat glands are most abundant in the { } and { } regions.

A

1) Groin
2) Axillary

36
Q

At what stage in life do the apocrine glands become active?

A

Puberty

37
Q

Blood vessels are only found in this structural region of the integumentary system.

A

What is the dermis?

38
Q

What type of receptor is the tactile corpuscle?

A

Touch

39
Q

What type of receptor is a free nerve ending?

A

Pain

40
Q

What type of receptor is the lamellated corpuscle?

A

Pressure

41
Q

Cells in the stratum granulosum are { } but are in the process of { }.

A

1) Alive
2) Dying

42
Q

What is the key characteristic that the stratum corneum, stratum lucidum, and stratum granulosum have in common?

A

They are all keratinized

43
Q

What is the purpose of the papillae?

A

To protect cells from shearing force

44
Q

What are the 4 structures of the nail?

A

1) Free edge
2) Nail bed
3) Lunula
4) Cuticle

45
Q

Sebum helps regulate { } loss.

A

Water

46
Q

The { } sweat glands are responsible for body odor.

A

Apocrine

47
Q

What are the 2 roles of blood vessels in the dermis?

A

1) Provide nutrients to the skin
2) Regulate body temperature

48
Q

A receptor that looks like these cherry tomatoes.

A

What is a touch receptor?

49
Q

A receptor that looks like this nostalgic green sticky hand toy.

A

What is a free nerve ending?

50
Q

A receptor that looks like some lima beans.

A

What is a pressure receptor?

Anatomy & Physiology I (29 decks)

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