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Histology > Connective Tissues > Flashcards

Connective Tissues Flashcards

1
Q

Where are connective tissue cells mainly derived from

A

They are mainly derived from undifferentiated mesenchymal cells

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2
Q

What a connective tissues composed of

A

Cells such as fibroblasts, fibrocytes and adipose cells
Visible fibres such as collagen, elastic and reticulin
Ground substances such as proteoglycans, glycosaminoglycans, laminin and fibronectin

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3
Q

What are the different types of connective tissues with examples

A

Fibrous - loose and dense
Hard - cartilage and bone
Fatty - white and brown

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4
Q

Where do you find type I collagen

A

Skin

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5
Q

Where do you find type II collagen

A

Cartilage

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6
Q

Where do you find type III collagen

A

Liver, bone marrow and spleen

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7
Q

Where do you find type IV collagen

A

Basement membrane

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8
Q

Where do you find type V collagen

A

Placenta

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9
Q

What colour do extracellular fibres stain with H&E stain

A

Pink

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10
Q

What does loose connective tissue comprise of

A

Widely spaced thin collagen fibres
Fibroblasts/cytes
Unsteadiness ground substance

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11
Q

What does dense connective tissue comprise of

A

Closely spaced thick collagen fibres
Fibroblasts/cytes
Unstaffed ground surface
Can be regular or irregular

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12
Q

What type of collagen is reticulin

A

Type III collagen

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13
Q

What is the function of reticulin

A

Forms a supporting scaffold in many organs like bone marrow, liver, kidney, lymph node, spleen

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14
Q

What stain do you need to use to identify reticulin

A

Silver stain

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15
Q

What is a characteristic of white adipose tissue

A

Large cells with single fat globule in each cell

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16
Q

What is a characteristic of brown adipose tissue

A

Cells with many fat globules of fat in them

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17
Q

What is cartilage made up from

A

Cells such as chondroblasts and chrondrocytes
Extracellular matrix such as glycosaminglycans and proteoglycans
Extracellular fibres such as collagen and elastin

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18
Q

Is cartilage vascular or avascular

A

Cartilage is avascular

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19
Q

Where is hyaline cartilage found

A

Synovial joints

20
Q

What are characteristics of hyaline cartilage

A

Chondrocytes in the lacunae surrounded by glassy amorphous matrix
No visible fibres

Perichondrium- fibroblasts and collagen

21
Q

Where can elastic cartilage be found

A

Pinna
Epiglottis

22
Q

What are characteristics of elastic cartilage

A

Visible elastic fibres in the matrix
Perichondrium- fibroblasts and collagen

23
Q

Where can fibrocartilage be found

A

Annulus fibrous
Pubic symphysis

24
Q

What are characteristics of fibrocartilage

A

Visible collagen fibres in the matrix
Perichondrium- finbroblasts and collagen

25
Q

Where is synovium found

A

Lining the inside of the joint capsule

26
Q

What is type A synovium found

A

Phagocytes

27
Q

Where is in type B synovium located

A

Rich in the rough endoplasmic reticulum

28
Q

What type of muscle is visceral muscle

A

Smoot

29
Q

Where can visceral muscle be found

A

Arterial walls
Wall of intestines
Airways of the lungs

30
Q

What type of muscle is voluntary muscle

A

Skeletal muscle

31
Q

Where can voluntary muscle be found

A

Skeletal muscles
Larynx
Diaphragm

32
Q

Where can cardiac muscle be found

A

Heart
Base of the great vessels

33
Q

What are characteristics of smooth muscle

A

Involuntary
Fusiform cell shape
Central nuclei
No Striations
Non-branching

34
Q

What tissue is this

A

Loose connective tissue

35
Q

What tissue is this

A

Dense connective tissue

36
Q

What is the tissue stained showing and what stain has been used

A

Reticulin
Silver stain

37
Q

What tissue is this

A

White adipose tissue

38
Q

What tissue is this

A

Brown adipose tissue

39
Q

What is this

A

Hyaline cartilage

40
Q

What is this

A

Elastic cartilage

41
Q

What is this

A

Fibrocartilage

42
Q

What is this

A

Synovium

43
Q

What muscle is this

A

Smooth muscle

44
Q

Where is this muscle

A

Wall of blood vessel

45
Q

Where is this muscle

A

Tube of the intestine

46
Q

Where is this muscle from

A

Bronchioles of the lung

Histology (18 decks)

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