Lesson 4 Flashcards

1
Q

a place where two bones meet

A

Joint/Articulations

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2
Q

immovable joints
tightly joint, no synovial joint and fluid

A

Fibrous Joint/Synarthroses

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3
Q

movement occurs in fetuses and young children

A

Suture/skull type

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4
Q
  • connective tissue replaced by bones and they become permanently fused
  • sealed joint
A

Synastosis

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5
Q
  • bones are close together but not touching
  • held by collagenous fibers
    radius, ulna
A

Syndesmoses

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6
Q
  • fibrous joints made up of peg and socket
    root of tooth
A

Gomphoses

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7
Q
  • slightly movable joints
  • united by a plate of hyaline cartilage or fibrocartilage disc
A

Cartilaginous joints/Amphiarthroses

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8
Q
  • primary cartilaginous joint
  • joint composed of epiphyseal plate of hyaline cartilage that joins the diaphysis and epiphysis
  • growth, not movement
A

Synchondroses

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9
Q
  • adult synchondroses replaced by bone
A

synostosis

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10
Q
  • few synchondroses are not replaced by bone
A

sternoclavicular joint

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11
Q
  • secondary synchondrosis
  • two bony surfaces are covered by thin layer of hyaline cartilage
A

Symphyses

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12
Q
  • freely movable joints
  • end of bones are covered with articular cartilage
  • joint is lubricated by synovial joint
  • enclosed by a flexible articular capsule
A

Synovial Joints/Diarthroses

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13
Q

Structures of synovial joints

A

SAALT-BT
synovial cavity/joint cavity
articularly cartilage
articular capsule
ligaments
tendon
bursae
tendon sheathes

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14
Q
  • contains synovial membrane that secretes synovial joint
A

synovial cavity

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15
Q
  • covers epiphysis
  • reduce friction
  • end of long bones
  • shock absorber
  • cannot replace itself when destroyed
A

articularly cartilage

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16
Q
  • fibrous capsule that lines synovial cavity
  • pliable -> permits movement
A

articular capsule

17
Q
  • connect bone to adjacent bone
  • rich supply of sensory nerves
  • inelastic but permits movement
A

Ligaments

18
Q
  • attached bone to bone
A

Tendon

19
Q
  • flattened sacs
  • cushion certain muscles
  • filled with synovial fluid
A

Bursae

20
Q
  • long cylindrical sacs filled with synovial fluid
  • reduce friction at joint surfaces
  • found in wrist, palms, fingers
A

Tendon Sheathes

21
Q

accesory ligaments

A

extracapsular and intracapsular

22
Q

articular disc

A

menisci

23
Q

Types of synovial joints

A

Hinge
Pivot
Saddle
Condyloid
Ball and socket
Gliding

(He put some candy bags and gums)

24
Q
  • joint capable of extension and flexion
  • elbow, knees, fingers
A

Hinge

25
Q
  • able to rotate around central axis
  • C1 and C2 of head
A

Pivot

26
Q
  • saddle shaped
  • found only between the metacarpal and carpal bones
  • between trapezium and metacarpal of thumb
A

Saddle

27
Q
  • elongated ball and socket joint found in the atlas and occipital bone
  • two direction
  • between radius and scaphoid and lunate
  • “knuckles”
A

Condyloid

28
Q
  • allows movement in many directions
  • shoulder joint
A

Ball and socket

29
Q
  • composed of flat articular surfaces so that a bone slides to another
  • joint of the wrist and ankles
A

Gliding