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Biology 7.4
Biology- Bones and Muscles Chapter 7 Section 4 -Finished
| Question | Answer |
|---|---|
| joints | the place where bones join, or articulate |
| synovial fluid | this articular cartilage is lubricated with a clear, water-based lubricant which resembles egg white in appearance and consistency |
| ligaments | the bones are held together by strong bands of fibrous connective tissue which are arranged in such a way that they completely encase and support the joint but allow it to bend freely |
| hinge joint | this straightforward type of freely movable joints which allow a bone to move back and forth in a single plane, like a door swinging on its hinges |
| ball - and - socket joints | this freely movable joints in the body in which the rounded head of a bone fits into a hollow socket in another bone |
| pivot joint | a type of bone that allows only rotating movements. a bone which rotates in place against another bone |
| ellipsoid joints | this joint consists of a bone with a convex (bulged) surface that fits into a concave (indented) portion of another bone. These joints allow movements in two places but do not permit the bone to rotate in place. |
| gliding joint | this is one of the simplest types of joint in which one bone merely slides across the surface of another |
| saddle joint | a type of joint that is saddle-shaped. one bone nestles into a saddle-shaped portion of another bone....it's only found in your hand |
| arthritis | a common degeneration condition of the joints or inflammation of the joints |
| what is an example ellipsoid joints | a joint between the metacarpals and phalanges that allows you to move your fingers up, down, left, and right are examples of these joint. |
| examples of freely movable joints | the jaw |
| examples of slightly movable joints | cranius |
| examples of inmovable joints | vertebrae |
| which type of freely movable joint allows the greatest range of motion | ball - and - socket joints |
| what is the most common type of arthritis -what is the most serious??? | osteoarthritis and rheumatoid arthritis |
| how does osteoarthritis help to reveal the importance of articular cartilage in freely movable joints | because when there is articular cartilage the bones don't rub together -though when it deteriorated the bones may rub together causing pain |
| six types of synovial joints | .hinge joint .ball - and - socket joints .pivot joint .ellipsoid joints .gliding joint .saddle joint |
| the parts of a long bone | diaphysis, epiphysis, and epiphysis |
| two types of arthritis | osteoarthritis and rheumatoid arthritis |
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