Connective Tissue Flashcards

1
Q

Where does connective tissue originate from?

A

Mesoderm; middle layer of embryonic germ layer

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2
Q

Functions of connective tissue?

A

Protect and support body
Help bind body together
Transports of water and ions
Immunity

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3
Q

The dental pulp is what form of connective tissue?

A

Loose areolar connective tissue

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4
Q

What cells produce fibres in connective tissue?

A

Fibroblasts

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5
Q

What are the main components of connective tissue?

A
  • Cells
  • Fibres
  • Extracellular matrix
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6
Q

What types of fibres are components of connective tissue and there properties?

A
  • Collagen; thickest and strongest, provides strength and resistance
  • Reticular; randomly orientated collagenous fibres, cross link to form mesh work
  • Elastic; contains elastin, returns to original state after being stretched
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7
Q

What tissue would you find dense collagen fibres?

A

Tendons and ligaments

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8
Q

What tissue would you find reticular fibres?

A

Lymphatic

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9
Q

What is extra cellular matrix also known as?

A

Ground substance

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10
Q

What is the function of extra cellular matrix in connective tissue?

A

Provides support for cells, determines function, maintains hydration and structural integrity

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11
Q

Components of connective tissue extra cellular matrix

A

Water
Glycosoaminoglycans
Proteoglycans
Glycoproteins

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12
Q

Which connective tissue classification is found under epidermis and around mucous membranes?

A

Loose areolar connective tissue

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13
Q

Which connective tissue classification provides a supportive frame in semi sold matrix?

A

Reticular loose connective tissue

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14
Q

Which connect tissue classification is found in lymphatic organs and bone marrow?

A

Loose reticular connective tissue

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15
Q

What is the function of adipose loose connective tissue?

A

White adipose tissue supports thermally and where energy is stored. 20-25% body weight.

Brown adipose tissue generate heats from heat storage and helps burn calories.

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16
Q

What fibres are present in dense irregular connective tissue?

A

Collagenous and elastic

17
Q

Properties of elastic fibres?

A

Able to stretch and recoil to original shape

18
Q

Where is dense elastic connective tissue found?

A

Arteries and bronchi tubules

19
Q

Which connective tissue is found in the dermis of skin?

A

Dense irregular connective tissue

20
Q

Structure and function of dense regular connective tissue

A

Regular pattern, parallel densely packed collagen fibres
Resist force in 1 direction

21
Q

Structure, function and location of areolar connective tissue

A

Collagen and elastic fibres in loose network
Anchors, binds and supports organs
Surround muscle fibres and blood vessels

22
Q

2 types of specialised connective tissue

A

Supporting connective tissue
Fluid connective tissue

23
Q

2 types of connective tissue proper

A

Dense connective tissue
Loose connective tissue

24
Q

What are the supporting connective tissues?

A

Bone
Cartilage - elastic, hyaline, fibrocartilage

25
Q

What are the fluid connective tissues?

A

Blood and lymph

26
Q

Structure, function and location of fibrocartilage

A

Dense, parallel collagen rows
Resist compressive forces
TMJ

27
Q

Structure, function and location of elastic cartilage?

A

Many elastic fibres within intracellular matrix
Provide strength and elasticity
Pinna of ear, epiglottis

28
Q

Structure, function and location of hyaline cartilage?

A

Small groups of chondrocytes
Principle cartilage
Provides smooth surface for joints
Articulating surfaces- knee, elbow