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Khan Academy > Dermis > Flashcards

Dermis Flashcards

1
Q

The Papillary Dermis consists of

A

Thin, loose connective tissue

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2
Q

The Papillary Dermis’ connective tissue allows for

A

Blood vessels to move around and change position

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3
Q

The Reticular Dermis consists of

A

Thick, dense connective tissue

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4
Q

The Reticular Dermis functions to

A

Anchor things down

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5
Q

What is found in the Reticular Dermis?

A
  • Sweat and exocrine glands

- Hair follicles

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6
Q

The Hypodermis contains a

A

Layer of fat that absorbs shock and insulates tissue

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7
Q

What are the types of glands?

A
  • Holocrine
  • Apocrine
  • Merocrine
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8
Q

Holocrine glands release secretions by

A

Disintegrating the entire cell

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9
Q

Holocrine glands specifically release

A

Sebum

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10
Q

Holocrine glands can be found on the

A
  • Back
  • Face
  • Chest
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11
Q

Apocrine glands release secretions from the

A

Apex of the cell

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12
Q

The Apocrine glands release

A

Proteins, lipids and steroids

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13
Q

Apocrine glands can be found

A
  • Armpits
  • Groin
  • Around nipples
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14
Q

Apocrine glands release their contents into

A

Hair follicles

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15
Q

Merocrine release

A

Sweat via exocytosis

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16
Q

Merocrine glands are especially found in

A

Palms and soles of feet

17
Q

Along with sweat, Merocrine glands also release

A

Lysozymes + antibodies

18
Q

A Delta Fibers perceive

A

Pain and temperature

19
Q

What determines the function of mechanoreceptors?

A

Their structure

20
Q

What are the different Mechanoreceptors?

A
  • Meissner Corpuscle
  • Pacinan’s Corpuscle
  • Merkel’s Disk
  • Ruffini’s Corpuscle
  • Hair Follicle Receptor
21
Q

The Meissner Corpuscle has several

A

Layers of discs found within cells

22
Q

The Meissner Corpuscle perceives

A

Light touch in non-hairy skin

23
Q

The Meissner Corpuscle is in need of

A

Constantly changing stimuli

24
Q

The Meissner Corpuscle is located in the

A

Papillary Dermis

25
Q

Pacinan’s Corpuscle is found in

A

Non-hairy and hairy skin

26
Q

In what layer of the skin is Pacinan’s Corpuscle found in?

A

The hypodermis

27
Q

Pacinan’s Corpuscle responds to

A

Deep touch

28
Q

Merkel’s Disk is located in which layers of the skin?

A
  • Stratum Basale

- Papillary Dermis

29
Q

Merkel’s Disk perceives

A

Light touch in hairy and non-hairy skin

30
Q

What kind of stimuli is good for Merkel’s Disk?

A

Sustained stimuli

31
Q

Ruffini’s Corpuscle responds to

A

Sustained touch

32
Q

Ruffini’s Corpuscle is located in the

A

Reticular dermis

33
Q

Ruffini’s Corpuscle relies the most on

A

Collagen

34
Q

The Hair Follicle Receptor responds to

A

Light touch on hairy skin

35
Q

Hair Follicle Receptors are found in which layer of the skin?

A

Reticular dermis

36
Q

What kind of stimuli do Hair Follicle Receptors require?

A

Constantly changing

Khan Academy (81 decks)

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