Flashcards
BMS09-1013 - Bones & Joints
Cards in this deck (11)
- 1What is a joint?A union between two bones
- 2What are the three fibrous joints?1. Sutures
eg. skull bones
2. Syndesmosis
eg. Ulna/radius
3. Gomphosis
eg. PDL - 3Can Syndemosis joints such as the ulna/radius move much? What are they united by?Little movement permitted
Connected by interosseous membrane - 4What are the three types of sutures?1. Squamous
2. Serrated
3. Denticulate - 5What is the main difference between fibrous and cartilaginous joints?Fibrous have fibrous connective tissue, while cartilaginous have hyaline/fibrocartilage between them
Cartilaginous are more moveable - 6What are the two types of cartilaginous joints?1. Synchrondoses (Primary w/ hyaline)
eg. Between long bones
2. Symphysis (Secondary w/ fibrocartilage, partially moveable)
eg. between intervertebral discs - 7What are 6 features of synovial joints?1. Articular cartilage (hyaline) on top of bones
2. Joint cavity w synovial fluid
3. Joint capsule
4. Synovial membrane
5. Discs (some) dividing joint into more cavities
6. Bursae (some) sacs w synovial fluid - 8How many layers does the joint capsule have?Two
Outer fibrous layer and thin inner synovial membrane layer - 9What is the function of the synovial membrane?Rich capillary network
Capable of secreting/absorbing synovial fluid for lubrication - 10What are 3 other ways to classify joints?1) Joint Shapes
- Ball and socket (Hip)
- Condyloid (wrist)
- Hinge (Elbow)
- Plane/gliding (Wrist)
- Pivot
- Ellipsoid (Thumb)
- Saddled-shape (Thumb)
2) Movements
- Extension vs Flexion
- Abduction vs Adduction
- Rotation (External vs Internal)
- Supination vs Pronation
- Inversion vs Eversion
3) Axis of Rotation
- Uniaxial
- Bixaxial
- Multiaxial - 11—
Information
- Description
- The classification of joints and the functions they serve. Concerning synovial joints: a) basic characteristics, b) classification, c) movements. Show how its characteristics relate to its mobility & stability.
- Created by
- Evian Chai
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