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Anatomy And Physiology I > Exam 3-Articulations > Flashcards

Exam 3-Articulations Flashcards

1
Q

Articulation

A

Point of contact between bones

Aka: Joint

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2
Q

Synarthroses

A

Fibrous, immovable

Ex. Coronal structure

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3
Q

Amphiarthroses

A

Cartilagenous, slightly movable

Ex. Cartilage in rib cage

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4
Q

Diarthroses

A

Synovial, freely movable.

Ex.

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5
Q

SYNARTHROSES

A

Syndemoses, Sutures, Gomphoses

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6
Q

Syndemoses

A

Ligaments tightly connect two bones (Radius, ulna in forearm)

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7
Q

Sutures

A

Projections interlock with each other (skull)

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8
Q

Gomphoses

A

Root embedded in a bony ridge (teeth in mandible)

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9
Q

AMPHIARTHROSES

A

Synchondroses, Symphyses

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10
Q

Synchondroses

A

Hyaline cartilage between articulating bones. (costal cartilage in rib cage.)

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11
Q

Symphyses

A

Pad of fibrocartilage between articulating bones

pubic symphysis, vertebral disks

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12
Q

DIARTHROSES

A

Uniaxial Joints, Biaxial, multiaxial

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13
Q

Uniaxial Joints

A

Permits movement around one axis. Hinge (back and forth, elbow and knee) Pivot. (projection of one bone articulates with a ring or notch of another, C1 or C2, atlas or axis)

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14
Q

Biaxial Joints

A

Permits movement around two axis. Saddle, condyloid

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15
Q

Saddle

A

resemble reciprocally shaped miniature saddles. only ex: carpometa carpal joint of thumb

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16
Q

Condyloid

A

A condyle fits into an elliptical socket

Ex: occipital condyles with the atlas, radius with the carpals

17
Q

Multiaxial Joints

A

Permits movement around three axes.. ball and socket, gliding

18
Q

Ball & socket

A

Shoulder, hip

19
Q

Gliding

A

Relatively flat articulating surfaces that allow limited movements
Ex: between carpals, vertebrae

20
Q

Structures of a synovial joint

A

Joint Capsule, Synovial Membrane, Articular Cartilage, Joint Cavity

21
Q

Joint Capsule

A

Sleevelike Casing- extension of the periosteum

binds bones together

22
Q

Synovial Membrane

A

lines the joint capsule, secretes synovial fluid

23
Q

Articular Cartilage

A

Hyaline Cartilage

Covers the articular surface

24
Q

Joint Cavity

A

Small space between articulating surfaces

Anatomy And Physiology I (17 decks)

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