Joints Flashcards
What is an articulation?
Articulation/ joint is where a bone connects with another bone, cartilage or teeth.
Articulations vary in?
Stability and mobility
Joints are classified by?
Structure and function
Classification by structure?
1-Fibrous
2-cartilaginous
3-synovial
Classification by structure?
1-Synarthrosis
2-Amphiarthrosis
3-Diarthrosis
Fibrous means..
Bones held together by dense regular connective tissues
Cartilaginous means:.
Bones joined by cartilage
Synovial means:.
Bones separated by fluid filled cavity
Synarthrosis means:.
Immobile joint
Amphiarthrosis means:.
Slightly mobile joint
Diarthrosis means:.
Freely movable joint
Fibrous structural categories:
1-Gomphosis: Periodontal membranes hold tooth to bony jaw
2-suture: DRCT connects skull bones
3-syndesmosis: DRCT fibers between bones
Synovial general structural characteristics
End of bones covered with articular cartilage; joint cavity separates the articulating bones; joint enclosed by an articular capsule, line by a synovial membrane; contains synovial fluid
3 Synovial structural categories
Uniaxial
Biaxial
Multiaxial
Synovial uniaxial
Plane joint
Hinge joint
Pivot joint
