Histology - MSK Flashcards

1
Q

Where are nuclei located in muscle fibres?

A

At the periphery, just under the cell membrane (sarcolemma)

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2
Q

What are muscle fibres grouped into?

A

Fascicles

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3
Q

What is the connective tissue that surrounds the whole muscle called?

A

Epimysium

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4
Q

What is the connective tissue around a single fascicle called?

A

Perimysium

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5
Q

What is the connective tissue around a single muscle fibre called?

A

Endomysium

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6
Q

Sarcomeres are placed end-to-end in their thousands to form what?

A

Myofibril

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7
Q

List the 3 types of skeletal muscle fibre

A

Type I
Type IIA
Type IIB

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8
Q

Describe type I skeletal muscle fibre

A

Slow to contract
Abundant mitochondria; resist fatigue
Less force
Red fibres

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9
Q

Describe type IIA skeletal muscle fibre

A

Relatively fast contracting compared to type I

Uncommon

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10
Q

Describe type IIB skeletal muscle fibre

A

Rapid contraction
Few mitochondria; anaerobic metabolism
Great force
White fibres

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11
Q

What are the cells found within cartilage called?

A

Chondrocytes

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12
Q

List the 3 main types of cartilage

A

Hyaline
Elastic
Fibrocartilage

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13
Q

Bone is 65% _____, 23% _____ and 10% ______

A

Mineral, collagen, water

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14
Q

What are the cells within bone called?

A

Osteocytes

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