synovial joints Flashcards

1
Q

what are examples of hinge joints?

A

elbow, knee, ankle

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2
Q

what are examples of ball and socket joints?

A

shoulder, hip

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3
Q

what are examples of condyloid joints?

A

wrist

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4
Q

what are examples of pivot joints?

A

atlas, axis, radioulnar

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5
Q

what are examples of gliding joints?

A

vertebrae

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6
Q

define: synovial joint

A

a freely moving joint

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7
Q

what are the 8 common features of a synovial joint?

A
  • parts of fat
  • meniscus
  • synovial fluid
  • joint capsule
  • synovial membrane
  • articular cartelage
  • ligament
  • bursa
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8
Q

whats the role of: bursa

(common features of synovial joints)

A

sacs of synovial fluid which prevents friction

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9
Q

whats the role of: parts of fat

(common features of synovial joints)

A

to absorb shock

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10
Q

whats the role of: meniscus

(common features of synovial joints)

A

wedge of fibrocartilage that helps bones fit together

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11
Q

whats the role of: synovial fluid

(common features of synovial joints)

A

prevents friction

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12
Q

whats the role of: joint capsule

(common features of synovial joints)

A

strengthens joint

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13
Q

whats the role of: synovial membrane

(common features of synovial joints)

A

produces synovial fluid and lines the joint capsule

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14
Q

whats the role of: articular cartilage

(common features of synovial joints)

A

absorbs shock

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15
Q

whats the role of: ligament

(common features of synovial joints)

A

connects bone to bone

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16
Q

what is McCutchen’s weeping lubrication theory?

A

articular cartilage acts as a sponge and absorbs synovial fluid when the joint is still.

when the joint moves, the fluid is squeezed out into the joint to provide lubrication