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Study stack #2
weeks 6-12
| Term | Definition |
|---|---|
| insertion | is the point of attachment that moves when the muscle contracts |
| prime mover | is used to describe a muscle that directly performs a specific movement |
| pectoralis minor | lies under the larger pectoralis major muscle on the anterior chest wall. It helps “fix” or stabilize the scapula against the thorax and also raises the ribs during forced inspiration. |
| serratus anterior | helps hold the scapula against the thorax to prevent “winging” and is a strong abductor that is useful in pushing or punching movements. |
| Movement | Skeletal muscle contractions produce move-ment of the body as a whole (locomotion) or movement of its part |
| Heat production | Muscle cells, like all cells, produce heat by the process known as catabolism |
| central nervous system (CNS) | is, as its name implies, the struc-tural and functional center of the entire nervous system. |
| peripheral nervous system (PNS) | consists of the nerve tissues that lie in the periphery, or “outer regions,” of the nervous system. |
| membrane potential | is the difference in electrical charge across their plasma membranes |
| resting membrane potential (RMP) | The membrane potential maintained by a nonconducting neuron’s plasma membrane is called the |
| Falx cerebri | The falx cerebri projects downward into the longitudinal fissure to form a kind of partition between the two cerebral hemispheres. |
| Falx cerebelli | The falx cerebelli is a sickle-shaped exten-sion that separates the two halves, or hemispheres, of the cerebellum. |
| lumbar plexus | it is another spinal nerve plexus |
| sciatic nerve | In the thigh, they form the largest nerve in the body |
| autonomic nervous system (ANS) | is a subdivision of the ner-vous system that regulates involuntary effectors |
| sympathetic division and parasympathetic division | The ANS has two efferent divisions |
| plasma | it is one of the three major body fluids |
Created by:
kzamora1
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