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GrossAnatomy
Muscle
| Question | Answer |
|---|---|
| what is fascia? | connective tissue that surrounds muscle |
| what is synonymous to muscle cell? | muscle fiver |
| what is a sarcomere? | smallest functional unit of muscle. |
| what is the sarcomere made of? | actin and myosin filaments that interdigitate. they ratchet closer together and pull apart. need ATP and calcium. |
| in what form and function are most muscles? | they are in pairs. they only contract (do not detract). other muslces pull back again. |
| what are myofibrils? | long chain of sarcomeres. stacked sarcomeres from end on end |
| what is the longest muscle in the body? | sartorius muscle in the thigh |
| what is a muscle cell? | runs the length of the muslce. it is filled wtih myofibrils whcih are the cell product. this is what the muscles make |
| sarcoplasmic reticulum |