A&P Ch.8
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24 terms
Terms | Definitions |
|---|---|
 articulations | Joints are: |
| fibrous, cartilagious, synovial | What are the structural classifications of joints? |
| fibrous joint | Described as having NO joint cavity and bones are held together by FIBROUS connective tissues |
| cartilagious | Described as having NO joint cavity and bones are held together by CARTILAGE |
| synovial joint | Described as YES to having joint cavaties and bones are held together by LIGAMENTS |
| synerthrosis, ampiarthrosis, diarthrosis | What are the functional classifications of joints? |
| synerthrosis | Described as being IMMOVABLE |
| ampiarthrosis | Described as being SLIGHTLY movable |
| diarthrosis | Described as being FREELY movable |
| suture | part of synarthioses(immovable) and is fiberous...example is the squiggly lines in the bones of the skull |
| gomphosis | part of synarthioses(immovable) and is a fiberous, cone-shaped peg that fits into a socket....example is roots of teeth |
| synchondrosis | part of synarthioses(immovable) and is cartilaginous...example is the epiphyseal plate |
| syndesmosis | part of amphiarthroses(slightly movable) and is fibrous...example is distal articulation between the tibia and fibula(heel joint which is movable) |
| symphysis | part of amphiarthroses(slightly movable) and is cartilaginous...example is pubic symphysis(hip bones) |
| Suture, gomphosis, synchondrosis | What are the 3 types of synarthroses(immovable) joints? |
| Syndesmosis, symphysis | What are the 2 types of amphiarthroses(slightly movable)? |
| Diarthroses | What has a synovial cavity that separates the articulating bones? |
| Diarthroses | What type of joint is attached to bones with articular cartilage(ex: white end of chicken leg) |
| articular capsule | part of diarthroses(freely movable), has two layers, and surrounds and encloses the synovial cavity |
| fibrous capsule, synovial membrane | What are the two layers of the articular capsule? |
| fibrous capsule | outermost layer of the articular capsule composed of fibrous connective tissue(resists dislocation but permits movement..aka sleeve you wear on knee or elbow) |
| synovial membrane | innermost layer of the articular capsule that secretes synovial fluid that lubricates articulating bones |
| diarthroses | may have accessory ligaments that are extracapsular(out) and /or intracapsular |
| diarthroses | may have bursae(fluid-filled sacs..ex: inflammation of knee) where skin rubs over knee |
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