Joints Flashcards

1
Q

Point of contact between bones

A

Articulation

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2
Q

Immovable joint

A

Synarthroses

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3
Q

Slightly moveable joint

A

Ampiarthroses

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4
Q

Freely moving joint

A

Diarthroses

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5
Q

Bones of joint fit together closely, thereby allowing little or no movement

A

Fibrous joint (synarthroses)

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6
Q
  1. Syndesmoses
  2. Sutures
  3. Gomphoses
A

3 types of fibrous joints

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7
Q

Joint in which ligaments connect two bones
Ex. Between radius and ulna
(Interosseous ligament)

A

Syndesmoses joint

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8
Q

Joint found only in the skull; teeth like projections from adjacent bones interlock with eachother

A

Suture joint

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9
Q

Joint between the root of a tooth and the alveolar process of the mandible or maxilla

A

Gomphoses joint

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10
Q

Bones of joints that articulate by hyaline cartilage or fibrocartilage. Very little movement only

A

Cartilaginous joint (amphiarthroses)

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11
Q

Joints in which hyaline cartilage is present between the two bones
Ex. Joint between ribs and sternum

A

Synchrondroses joint
Chondro = cartilage

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12
Q

Joint joined by fibrocartilage
Ex. Symphysis pubis
*always mid-sagittal

A

Symphyses joint

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13
Q
  1. Hinge joint
  2. Pivot joint
  3. Saddle joint
  4. Condyloid joint
  5. Ball and socket joint
  6. Gliding joint
A

6 types of synovial joints

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14
Q

Sleeve like casing around the ends of the bones that binds them together
(Synovial joint)

A

Joint capsule

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15
Q

Membrane that lines the joint capsule and also secretes synovial fluid
(Synovial joint)

A

Synovial membrane

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16
Q

Hyaline cartilage covering the articulat surface of bones
* majority is hyaline cartilage
(Synovial joint)

A

Articulate cartilage

17
Q

Small space between the articulating surfaces of the two bones of the joint
*gets smaller with arthritis
(Synovial joint)

A

Joint cavity

18
Q

Pads of fibrocartilage located between articulating bones
(Synovial joint)

A

Menisci (articular disks)

19
Q

Strong cords of dense, white, fibrous tissue that hold bones of the synovial joint more firmly together
(Synovial joint)

20
Q

Synovial membranes filled with synovial fluid; cushion joints and facilitate movement of tendons
*sits in joint space Ex. Fossa
(Synovial joint)

21
Q

Synovial joints that permit movement around only one axis and in only one plane

A

Uniaxial joints
- hinge joint
- pivot joint

22
Q

Articulating ends of bones form a hinge-shaped unity that allows only flexion and extension

A

Hinge joint

23
Q

A projection of one bone articulates with a ring or notch of another bone
Ex. Superior radio-ulnar joint
(Head of radius with radial notch on ulna)

A

Pivot joint

24
Q

Synovial joints that permit movements around two perpendicular axes in two perpendicular planes

A

Biaxial joints
- saddle joint
- condyloid joint/ellipsoidal
(Condyloid and ellipsoidal are interchangeable)

25
Synovial joints in which the articulating ends of the bone resemble reciprocally shaped mini saddles Ex. Thumb (base of 1st MC and trapezium)
Saddle joint
26
Synovial joints in which a console articulates * more round * ellipsoidal = more oval
Condyloid/ellipsoidal joint
27
Synovial joints that permit movements around three or more axes in three or more planes
Multi axial joint - ball and socket - gliding
28
Most moveable joints; the ball shaped head of one bone fits into a concave depression
Ball and socket joint (spheroid)
29
Relatively flat articulating surfaces that allow limited gliding movements along various axes Ex. Between vertebrae *also known as plane joints
Gliding joint