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Anatomy I > Joint Classification By Tissue Type > Flashcards

Joint Classification By Tissue Type Flashcards

1
Q

Classify joints by type of tissue in articulation (3)

A

Fibrous, Cartilaginous, Synovial

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2
Q

What degree of movement do fibrous joints have?
Bone -_____-bone

A

No/limited movement
CT

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3
Q

What degree of movement do cartilaginous joints have?
Bone -_____-bone

A

Slightly moveable
Cartilage

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4
Q

What degree of movement do synovial joints have?
Bone -_____-bone

A

Highly moveable
Cartilage - cavitated CT (filled w/ synovial fluid) - Cartilage

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5
Q

This fibrous joint is confined to the cranium.
Bone-_____-bone; what are the fibers in this ligament?

A

Sutures
Collagenous sutural ligament; Sharpey’s fibers

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6
Q

What is the function of sutures?

A

Shock absorption

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7
Q

This fibrous joint anchors tooth in socket
Bone-______-dental cementum (root of tooth)

A

Gomphosis (gompho - “peg”; osis - “formation”)
Cartilaginous periodontal ligament

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8
Q

Define Syndesmosis, which are ______ joints
Bone-______-bone (may be elastic fibrous CT)

A

Syndesmosos - “to bind together”
Fibrous
Cartilaginous interosseous ligament

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9
Q

What is the function of Syndesmosis? Name some examples of this joint

A

Dynamic stabilization, resist forces which separate bones.
Radioulnar, tibiofibular interosseus ligaments; ant./post. Longitudinal spine ligaments; ligamentum flavum

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10
Q

Name the 1˚ cartilaginous joint

A

Synchondrosis
Syn - “together”, kondros - “cartilage”, osis - “formation”

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11
Q

Examples of Synchondrosis?
Bone-_____-bone

A

Epiphyseal growth plates, basisphenoid synchondrosis
-hyaline growth catilage-

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12
Q

Name the 2˚ cartilaginous joint
Bone-_____-_____-_____-bone

A

Symphyses “together growth”
-hyaline cartilage - fibrocartilaginous disc - hyaline cartilage-

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13
Q

What is the function of symphyses? Where is it restricted to on the body?

A

Axillary skeleton only (median)
Stability, resist forces @ weight bearing joints

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14
Q

Locations of symphyses; *undergo synostosis

A

Manubriosternal* , xiphisternal* , mandibular symphysis*, IVD, pubic symphysis

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15
Q

Name the highly-moveable joint
Bone-_____-______-______-bone

A

Diarthroses - Synovial
- hyaline articular cartilage - cavitated CT (filled w/ synovial fluid) - hyaline articular cartilage

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16
Q

Name + define the 3 types of synovial ligaments based on their location

A

Extrinsic - outside joint capsule
Intrinsic - in/on joint capsule
Intracapsular - in synovial cavity

17
Q

Extrinsic joint example

A

LCL of knee (lat. collat. Lig.)

18
Q

Intrinsic joint examples

A

Ischiofemoral + pubofermoral ligaments of the hip

19
Q

Intracapsular joint examples

A

ACL/PCL of knee; ligamentum teres of hip

20
Q

What are fat pads? What is their function?

A

Adipose w/in joint capsule
Cushion the articulation (e.g. hip)

21
Q

What are fibrocartilaginous discs? What is their function? Give some examples of joints containing these.

A

Menisci
Disperse weight + remove friction during movement
(E.g. knee, sternoclavicular)

22
Q

What are some additional synovial features?

A

Fat pads, fibrocartilaginous discs

23
Q

Name + define the 7 types of synovial joints based on their surfaces + ROM

A

Plane - apposing flat surfaces
Ginglymus (hinge) - uniaxial, 1˚freedom
Trochoid (pivot) - uniaxial rot.
Bicondyloid - mostly uniaxial, ~rot.
Ellipsoid (condyloid) - biaxial
Sellar - multiaxial
Spheroidal (ball+socket) - multiaxial, 3˚freedom

24
Q

Examples of Plane joints

A

Zygapophyseal (facet joints)

25
Q

Example of Ginglymus joints

A

Elbow

26
Q

Examples of Trochoid joints

A

Medial atlantoaxial, radioulnar

27
Q

Examples of Bicondyloid joints

A

Femoral condyles + tibial plateu; temperomandibular, atlantooccipital

28
Q

Define + give examples of Ellipsoid joints

A

Oval convex ellipsoid articulates oval concave ellipsoid
E.g. distal radius w/ scaphoid; lunate wrist

29
Q

Define + give examples of Sellar joints

A

2 saddles articulate
E.g. pollical carpometacarpal (thumb)

30
Q

Examples of Spheroidal joints

A

Glenohumoral; hip

Anatomy I (19 decks)

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