Connective Tissues Flashcards

1
Q

What is the function of the extracellular matrix?

A

Fill the spaces between cells, binding them together with tissues

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2
Q

What are the 3 components of connective tissue?

A

Ground substance
Fibres
Cells

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3
Q

What components of connective tissue make up the extracellular matrix?

A

Ground substance and fibres

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4
Q

What is ground substance?

A

Clear, semi-solid gel that has a water binding ability

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5
Q

What is ground substance composed of?

A

Glycoproteins and complex carbohydrates

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6
Q

What are 3 functions of ground substance?

A
  • Provides tissue volume
  • Provides biochemical support
  • Supports intercellular exchange of substances
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7
Q

What are the 2 fibre types?

A

Collagen and elastin

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8
Q

What do fibres provide?

A

Structural support and tensile strength

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9
Q

What is the strongest and most abundant fibre type?

A

Collagen

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10
Q

What does collagen provide?

A

Tensile strength

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11
Q

What do elastin fibres provide?

A

Stretch and recoil abilities

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12
Q

What can be said about the structure of elastic fibres?

A

They are long and branched fibres

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13
Q

What are the 3 types of collagen fibres and where are they found?

A

Type I : found in skin and bone

Type II : found in cartilage

Type III : found in highly cellular organs

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14
Q

What are elastin fibres secreted by?

A

Fibroblasts

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15
Q

What do fibroblasts secrete?

A

Elastin fibres

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16
Q

Where are elastin fibres found densly?

A

Skin, bladder, liver, blood vessels

17
Q

What cell type secrete ECM:

  • blasts
  • cytes
  • clasts
A

Blasts

18
Q

What cell type maintain ECM:

  • blasts
  • cytes
  • clasts
A

Cytes

19
Q

What cell type breakdown ECM:

  • blasts
  • cytes
  • clasts
A

Clasts

20
Q

What cells secrete and maintain ECM in cartilage?

A

Chondrocytes

21
Q

Where are chondrocytes found?

What is their function?

A

Found in cartilage.

They secrete and maintain ECM.

22
Q

What type of connective tissue does not contain blood vessels and lymphatics?

A

Cartilage

23
Q

What cells secrete and maintain ECM in bone?

A

Osteoblasts and Osteocytes

24
Q

What are the 3 classifications of connective tissue?

A

Connective Tissue Proper

Skeletal Connective Tissue

Fluid Connective Tissue

25
Q

What is more abundant is loose connective tissue:

Ground substance or Fibres?

A

Ground substance

26
Q

What is more abundant is dense connective tissue:

Ground substance or Fibres?

A

Fibres

27
Q

What are the 3 components of Loose connective tissue?

A
  1. Areolar Tissue
  2. Adipose Tissue
  3. Recticular Tissue
28
Q

What are the 2 types of connective tissue proper?

A

Loose and dense connective tissue

29
Q

What are the 3 components of Dense connective tissue?

A
  1. Regular
  2. Irregular
  3. Elastic
30
Q

What is the function of areolar tissue?

in loose connective tissue

A

Fills the gaps between tissues to bind them together

31
Q

What is the function of adipose tissue?

in loose connective tissue

A

Provides energy storage, shock absorption, and insulation

32
Q

What is the function of reticular tissue?

in loose connective tissue

A

Provides internal structure to organs

33
Q

What is the function of regular tissue?

What does it consist of and where is it found?

(in dense connective tissue)

A

Provides tensile strength.

Consists of densely packed collagen fibres running in the same direction.

Found in tendons and ligaments.

34
Q

What is the function of dense irregular tissue?

What does it consist of and where is it found?

(in dense connective tissue)

A

Provides protection for organs.

Consists of densely packed fibres running in different directions.

Found in the skin.

35
Q

What is the function of dense elastic tissue?

Where is it found?

(in dense connective tissue)

A

Allows recoiling after stretching occurs.

Found in arteries, skin, and lungs.