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Histology > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

Mast cells contain what 2 mediators?

A

Histamine and heparin

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2
Q

What forms a continuum with epithelium, nervous and muscle tissues to maintain functionally integrated body?

A

Connective tissue

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3
Q

What are the functions of connective tissue

A

Structural support
Exchange
Defense
Fat storage

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4
Q

Consistency of connective tissue?

A

Liquid
Solid
Gas

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5
Q

Characteristics of connective tissue

A

Extracellular matrix
Ground substance
Fibers
Cellular components - fixed or transient in blood stream

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6
Q

Main cell type in connective tissue

A

Fibroblasts

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7
Q

What type of cell engulfs bacteria and debris by phagocytosis?

A

Macrophages

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8
Q

What type of cell presents antigens to lymphocytes

A

Macrophages

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9
Q

What type of cell stores and synthesizes triglycerides

A

Adipose cells

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10
Q

What type of cells are multi potential and a source for new cells

A

Mesenchymal cells

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11
Q

Fibers + ground substance =

A

Extracellular matrix

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12
Q

What type of transient cell synthesizes and secretes antibodies

A

Plasma cells

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13
Q

Two types of lymphocytes

A

B and T

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14
Q

Three types of connective tissue fibers

A

Collagen
Reticular
Elastic

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15
Q

Large unbranched connective tissue fiber formed by collagen protein

A

Collagen fiber

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16
Q

Small unbranched connective tissue fiber formed by collagen

A

Reticular

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17
Q

Medium branched connective tissue fiber formed by elastin

A

Elastic

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18
Q

What type of fiber provides resistance to tensile forces

A

Collagen

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19
Q

What protein is most abundant in connective tissue

A

Collagen

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20
Q

What’s a bundle of collagen fibrils

A

Fiber

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21
Q

What form is tropocollagen

A

Triple helix

3 polypeptide chains

22
Q

Name collagen type
Fibrils form fibrils = bundles

Resist tension and are most abundant

A

Type I

23
Q

Name collagen type

Fibrils only

Resist compression (cartilage)

A

Type II

24
Q

Name collagen type

Fibrils from fibers
Reticular fibers
Maintain structure

A

Type III

25
Q

Name collagen type

Tropocollagen molecule
Delicate structural support
Found in basal lamina

A

Type IV

26
Q

What type of fiber
Framework but allows flexibility
Type III collagen fibers

A

Reticular fibers

27
Q 
What type of fibers
Composed of chains of elastin protein
Stretch
Aorta, medium arteries
Microfibrils first then elastin deposited
A

Elastic

28
Q

What fills space between cells and fibers of connective tissue

A

Ground substance

29
Q

What permits diffusion of oxygen and nutrients between cells and microvasulature of tissue

A

Ground substance

30
Q

What type of connective tissue is located beneath epithelial linings of body surfaces, internal organs, and outer wall of blood vessels

A

Loose (areolar)

31
Q

What type,of connective tissue has abundant ground substance

A

Loose

32
Q

What type of connective tissue resists stress in all directions

A

Dense irregular

33
Q

What type of connective tissue is found in tendons and ligaments

A

Dense regular

34
Q

What type of c.t. Offers resistance to traction forces in one direction

A

Dense regular

35
Q

What type of connective tissue is found in lung, vocal cords, ligamentum flava, aorta

A

Elastic ct

36
Q

What type of connective tissue stretches and returns to original shape

A

Elastic

37
Q

What type of connective tissue are cells and fluids freely mobile

A

Reticular

38
Q

What type of tissue found only in umbilical cord

A

Mucous

39
Q

What type of tissue has cells that give rise to most cells of loose connective tissue

A

Mesenchymal

40
Q

What type of connective tissue has peripheral nuclei and fills space between other tissues

A

Adipose

41
Q

What are two types of adipose tissue

A

Unilocular and multilocular

42
Q

What is the most common adipose tissue

A

Unilocular

43
Q

What adipose tissue releases leptin

A

Unilocular

44
Q

What type of adipose tissue produces heat

A

Multilocular

45
Q

What type of membrane lines body cavity that does not open to outside

A

Serous

46
Q

What type of membrane lines joints and cavities of all freely moveable joints

A

Synovial

47
Q

Specialized cells of synovial membrane are

A

Synoviocytes

48
Q

What type of membrane is not lined with epithelium and has no tight junctions or basal lamina

A

Synovial

49
Q

What type of membrane lines body cavities that open to outside

A

Mucous

50
Q

What type of membrane has loose connective tissue called lamina propria

A

Mucous

51
Q

What type membrane forms barrier to microbes

A

Mucous

52
Q

What cells mediate inflammatory response?

A

Mast cells

Histology (8 decks)

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