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T1 PHYSIOLOGY > MEMBRANES & INTEGUMENTARY SYS. > Flashcards

MEMBRANES & INTEGUMENTARY SYS. Flashcards

1
Q

A blue/black pigment represents?

A

New bruise

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2
Q

What are Pacinian Corpuscles?

A

Sense pressure and vibrations

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3
Q

What is the function of Langerhans Cells?

A

Recognizes/removes foreign antigens

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4
Q

What is the function of Ceruminous Glands?

A

Produces cerumen (earwax), preventing foreign bodies from entering ear

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5
Q

Describe Stratum Spinosum.

A

Provides strength and flexibility to skin

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6
Q

What are Arrector Pili Muscles?

A

Pulls hair upright

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7
Q

What is the function of Synovial Membranes?

A

Lines freely moveable joints

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8
Q

What is the function of synovial fluid and what does it contain?

A

Lubricates joint cartilage and contains macrophages

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9
Q

What part of the body does Mucous Membrane/Mucosa line?

A

Lines a a body cavity that opens directly to the exterior

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10
Q

Describe the Parietal Layer of Serous Membrane.

A

Lines the cavity walls

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11
Q

A red/pink pigment represents?

A

Hemoglobin

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12
Q

What are Meissner Corpuscles?

A

Touch receptors

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13
Q

What is the ‘shaft’ of the hair?

A

Hair portion projecting through skin surface

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14
Q

A yellow pigment represents?

A

Jaundice (from medical condition)

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15
Q

What is the function of Sebaceous (Oil) Glands for the hair?

A

Lubrication

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16
Q

A yellow-orange pigment represents?

A

Carotene

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17
Q

Describe Stratum Basale/Germinativum.

A

Basement membrane containing keratinocytes

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18
Q

Describe the Visceral Layer of Serous Membrane.

A

Covers and adheres to the organs in the cavity

19
Q

What part of the body does Serous Membrane line?

A

Lines/covers organs within the cavity

20
Q

List the order of the Epidermal Layers from deep to superficial.

A
  • S. Basale/Germinativum
  • S. Spinosum
  • S. Granulosum
  • S. Lucidum
  • S. Corneum
21
Q

Where is the ‘root’ of the hair?

A

Deep to shaft, penetrating into dermis

22
Q

Hardened plates of tightly packed, hard, dead, keratinized epidermal cells are known as?

A

Nails

23
Q

A blue pigment represents?

A

Cyanosis (from poor circulation)

24
Q

A yellow/green pigment represents?

A

Old bruise

25
Q

Explain Epithelial Membranes.

A

Epithelial tissue with underlying CT layers

26
Q

A redness/erythema pigment represents?

A

Inflammation

27
Q

Describe Stratum Corneum.

A

Shedding keratinocytes

28
Q
  • Collagen fibres decrease
  • Elastin losing elasticity
  • Fibroblasts decrease
  • Thinning of skin

These are the effects of?

A

Aging

29
Q
  • DNA damage
  • Collagen and elastic fibre damage

These are the effects of?

A

Sun damage

30
Q

Where is the ‘follicle’ of the hair?

A

Surrounding the root of hair

31
Q

Describe Stratum Granulosum.

A

Dying cells

32
Q

A pale yellow to tan to black skin color represents?

A

Melanin

33
Q

What is the function of the Subcutaneous Tissue?

A

Serves as a shock absorber/insulator

34
Q

What is Subcutaneous Tissue also known as?

A

Hypodermis Tissue

35
Q

What is Synovial Membrane made up of?

A

Synoviocytes with a CT base

36
Q

Function of Keratinocytes?

A

Produce keratin

37
Q

What does the Sebaceous (Oil) Glands secrete?

A

Sebum

38
Q

What is the function of the Sudoriferous Glands?

A

Produces sweat acting in thermoregulation and waste removal

39
Q

What does Sebum function as?

A

Nourish and protects skin, hair

40
Q

What are Free Nerve Endings?

A

Sense pain and temperature

41
Q

What separates the epidermis and underlying adipose layer?

A

Dermis

42
Q

Function of Melanocytes?

A

Produce melanin

43
Q

What are Merkel Cells involved in?

A

Sensation of touch

44
Q

Describe Stratum Lucidum.

A

Dead keratinocytes

T1 PHYSIOLOGY (17 decks)

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