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Jared Jimenez-Loza
Physiology StudyStack 1
| Term | Definition |
|---|---|
| ligand gated ion channel | group of transmembrane ion-channel proteins that open to allow ions like Na+, K+, Ca2+ to pass through in response to the binding of a chemical messenger. |
| bursa | located in some synovial joints as a pillow-like structure |
| isometric contraction | A contraction in which muscle length remains the same but muscle tension increases |
| threshold stimulus | The minimal level of stimulation required to cause a fiber to contract |
| sacromere | contractile unit of a muscle cell |
| extensibility | The muscle’s ability to stretch or extend and to return to its resting length |
| synchrondrosis | The joint present during the growth years between the epiphyses of a long bone and its diaphysis |
| circumduction | the circular movement of a body region using flexion, adduction, extension, and abduction at a joint. |
| flexion | the action of bending or the condition of being bent, especially the bending of a limb or joint |
| knee | The largest and most frequently injured joint |
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jaredj2147