BIO353 Chapter 9 Notes PDF

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These are the lecture notes regarding chapter 9 for Dr. Stephen Runyan's course in the fall of 2019...

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Paige Hutton BIO353 Chapter 9: Joints 1. Joint (articulation)—any point where two bones meet, whether or not the bones are movable at that a. Joint name—typically derived from the names of the bones involved (example: radioulnar joint) b. Joints classified according to the amount of movement allowed—synarthroses (immovable), amphiarthroses (semi-movable), diarthroses (freely movable) c. Joints classified according to the manner in which the bones are bound to each other d. Four major joint categories i. Bony joint (or synostosis): an immobile joint formed when the gap between two bones ossifies and the bones become a single bone 1. Can occur in fibrous or cartilaginous joint ii. Fibrous joint (synarthrosis) 1. Sutures: immobile or slightly mobile fibrous joints in which short collagen fibers 2. Gomphoses (fibrous joint)—attachment of a tooth to its socket a. Held in place by fibrous periodontal ligament 3. Syndesmoses a. Syndesmosis—a fibrous joint at which two bones are bound by long collagen fibers b. Example of a very mobile syndesmosis: interosseus membrane joining radius to ulna allowing separation...