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AN 1102 > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

2 Types of Connective Tissue Proper

A
  • Loose

- Dense

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2
Q

4 Types of Connective Tissue

A
  • Connective tissue proper
  • Cartilage
  • Bone
  • Blood
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3
Q

Loose Connective Tissue Prop.

A

large space between fibres filled with ECM

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4
Q

Dense Connective Tissue Proper

A

thick fibre networks containing high number of collagen, small ECM

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5
Q

2 Types of Dense Connective Tissue

A
  • Regular

- Irregular

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6
Q

Regular Dense

A
  • fibres arranged in same plane

- typically found in tendons and ligaments to resist forces in opposite directions

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7
Q

Irregular Dense

A
  • arranged in random network

- typically found in joint capsules resist impact in many directions

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8
Q

3 Components of ECM

A
  • Amorphous Ground Substance
  • Protein Fibers (Collagen, Elastic, Reticular)
  • Tissue Fluid
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9
Q

Amorphous Ground Substance

A
  • contains glycoproteins, proteoglycans, glycosaminoglycans, water
  • all substances entering/leaving cell must pass through
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10
Q

Type I Collagen

A

most abundant, found in bones, tendons, connective tissue proper, ligaments, fibrocartilage

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11
Q

Type II Collagen

A

hyaline and elastic cartilage, very thin fibrils

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12
Q

Type III Collagen

A

reticular fibres, often associated with type I

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13
Q

Elastic Fibers

A

can be stretched to 150% original length without damage

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14
Q

Connective Tissue Cell Classification

A
  • Fixed Cells

- Transient Cells

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15
Q

Fixed Cells

A
  • perform their function and remain in place within the connective tissue
  • Fibroblasts, Adipose, Mast Cells
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16
Q

Transient Cells

A
  • originate in bone marrow and circulate bloodstream to perform functions
  • Macrophage, Plasma Cells
17
Q

Fibroblasts

A
  • most common cell in connective tissue
  • synthesize collagen, reticular and elastic fibres and ground substances in ECM
  • fibrocyte when mature
18
Q

Adipose Cells

A

squished nucleus and store fat

19
Q

2 Types of Adipose Cells

A
  • White

- Brown

20
Q

White Adipose

A

formed by uniocular fat cells (single large droplet)

21
Q

Brown Adipose

A

formed by multiocular fat cells (small multiple droplets allowing storage of more fat)

22
Q

Mast Cells

A
  • can also be transient

- largest fixed cells, contain granules of histamine and heparin important for allergic reactions

23
Q

Macrophages

A

originate from monocytes

24
Q

Plasma Cells

A
  • scattered throughout connective tissue

- found in areas with inflammation where they act to secrete antibodies

AN 1102 (7 decks)

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