MEMBRANES & INTEGUMENTARY SYS. Flashcards Preview

T1 PHYSIOLOGY > MEMBRANES & INTEGUMENTARY SYS. > Flashcards

Flashcards in MEMBRANES & INTEGUMENTARY SYS. Deck (44):
1

A blue/black pigment represents?

New bruise

2

What are Pacinian Corpuscles?

Sense pressure and vibrations

3

What is the function of Langerhans Cells?

Recognizes/removes foreign antigens

4

What is the function of Ceruminous Glands?

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

5

Describe Stratum Spinosum.

Provides strength and flexibility to skin

6

What are Arrector Pili Muscles?

Pulls hair upright

7

What is the function of Synovial Membranes?

Lines freely moveable joints

8

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

Lubricates joint cartilage and contains macrophages

9

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

Lines a a body cavity that opens directly to the exterior

10

Describe the Parietal Layer of Serous Membrane.

Lines the cavity walls

11

A red/pink pigment represents?

Hemoglobin

12

What are Meissner Corpuscles?

Touch receptors

13

What is the 'shaft' of the hair?

Hair portion projecting through skin surface

14

A yellow pigment represents?

Jaundice (from medical condition)

15

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

Lubrication

16

A yellow-orange pigment represents?

Carotene

17

Describe Stratum Basale/Germinativum.

Basement membrane containing keratinocytes

18

Describe the Visceral Layer of Serous Membrane.

Covers and adheres to the organs in the cavity

19

What part of the body does Serous Membrane line?

Lines/covers organs within the cavity

20

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

- S. Basale/Germinativum
- S. Spinosum
- S. Granulosum
- S. Lucidum
- S. Corneum

21

Where is the 'root' of the hair?

Deep to shaft, penetrating into dermis

22

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

Nails

23

A blue pigment represents?

Cyanosis (from poor circulation)

24

A yellow/green pigment represents?

Old bruise

25

Explain Epithelial Membranes.

Epithelial tissue with underlying CT layers

26

A redness/erythema pigment represents?

Inflammation

27

Describe Stratum Corneum.

Shedding keratinocytes

28

- Collagen fibres decrease
- Elastin losing elasticity
- Fibroblasts decrease
- Thinning of skin

These are the effects of?

Aging

29

- DNA damage
- Collagen and elastic fibre damage

These are the effects of?

Sun damage

30

Where is the 'follicle' of the hair?

Surrounding the root of hair

31

Describe Stratum Granulosum.

Dying cells

32

A pale yellow to tan to black skin color represents?

Melanin

33

What is the function of the Subcutaneous Tissue?

Serves as a shock absorber/insulator

34

What is Subcutaneous Tissue also known as?

Hypodermis Tissue

35

What is Synovial Membrane made up of?

Synoviocytes with a CT base

36

Function of Keratinocytes?

Produce keratin

37

What does the Sebaceous (Oil) Glands secrete?

Sebum

38

What is the function of the Sudoriferous Glands?

Produces sweat acting in thermoregulation and waste removal

39

What does Sebum function as?

Nourish and protects skin, hair

40

What are Free Nerve Endings?

Sense pain and temperature

41

What separates the epidermis and underlying adipose layer?

Dermis

42

Function of Melanocytes?

Produce melanin

43

What are Merkel Cells involved in?

Sensation of touch

44

Describe Stratum Lucidum.

Dead keratinocytes