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Y2 Musculoskeletal > Physiology - Joints > Flashcards

Physiology - Joints Flashcards

1
Q

what are the three types of joints?

A

synovial
fibrous
cartilaginous

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2
Q

what is another name for a synovial joint?

A

diarthrosis

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3
Q

what is a synovial joint?

A

bones separated by a cavity containing synovial fluid and united by a fibrous capsule

articular surfaces covered in cartilage

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4
Q

what are the two types of synovial joint?

A

simple

compound

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5
Q

what is a simple synovial joint?

A

one pair of articular surfaces

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6
Q

what is a compound synovial joint?

A

more than one pair of articular surfaces

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7
Q

what is another name for a fibrous joint?

A

synarthrosis

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8
Q

what is a fibrous joint?

A

bones are united by fibrous tissue

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9
Q

give an example of a simple synovial joint

A

metacarpophalangeal

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10
Q

give an example of a compound synovial joint

A

elbow

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11
Q

give an example of a fibrous joint

A

bones of the skull

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12
Q

how much movement can occur at a fibrous joint?

A

none

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13
Q

what is another name for a cartilaginous joint?

A

amphiarthrosis

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14
Q

what is a cartilaginous joint?

A

bones are united by cartilage

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15
Q

name an example of a cartilaginous joint

A

pubic symphisis

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16
Q

what are the functions of the synovial fluid?

A

lubricates the joint and reduces friction

aids in nutrition of the articular cartilage

17
Q

describe the viscosity of the synovial fluid

A

high

mainly due to presence of hyaluronic acid produced by synovial cells

18
Q

what happens to the synovial fluid in rapid movement?

A

decreased viscosity

increased elasticity

19
Q

describe the appearance of normal synovial fluid

A

clear

colourless

20
Q

what type of cartilage is normally found at articular surfaces?

A

hyaline

21
Q

what three things make up hyaline cartilage?

A

water
collagen
proteoglycans

Y2 Musculoskeletal (37 decks)

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