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bio 210-11 fp09

chap 9 muscle part 1

QuestionAnswer
why are skeletal m. considered organs organs are groups of 2 or more tissues working together
tendon connect m. to periosteum
aponeurosis flat broad tendons that attach m. to structures
epimysium covers entire muscle
perimysium covers bundles of fascicles
endomysium covers muscle fibers
thick myofiliment is: mysoin protein
thin myofiliment is: actin protein
sarcolemma cell membrane of m. cell
sarcoplasm refer as the cytoplasm of muscle cell
sarcoplasmic reticulum SR series of tubes, passages ext. through cell contains Ca
transverse T tubles intervaginal with sarcolemma, fluid filled and perpendicular with SR
sarcomere unit of muscle contraction
thin filiment is what band I band
thick filiment is waht band H band
what line seperates sarcomeres Z line
the band that contains thin & thick filiments is A band
sliding filiment theory says that: when thin (I band) filiments slide inward
4 proteins in mucles myosin, actin, tropomyosin, troponin
Created by: heatxfer
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