unit7

area of a sarcomere from M-line to end of myosin filament (contains overlap of actin and mysin as well as myosin only)

• z-line

• m-line

• a-band

• i-band

• h-zone

area of a sarcomere where myosin is anchored

• z-line

• m-line

• a-band

• i-band

• h-zone

area of a sarcomere where there is only actin filaments

• z-line

• m-line

• a-band

• i-band

• h-zone

area of a sarcomere where actin is anchored

• z-line

• m-line

• a-band

• i-band

• h-zone

area of a sarcomere within the a-band where there is only myosin filaments

• z-line

• m-line

• a-band

• i-band

• h-zone

a bundle of muscle fibers is called a...

• fascicle

• fascia

• sarcomere

• myofibril

the part of a myofibril that contracts / extends from z-line to z-line

• sarcomere

• sarcolemma

• sarcoplasm

• myofilament

muscle tissue that has multiple nuclei

• cardiac

• smooth

• skeletal

the rod-like organelle in muscle fibers that contains myofilaments

• myofibril

• actin

• myosin

• sarcomere

specific neurotransmitter than controls muscle contraction

• acetylcholine

• Cholinesterase

• acetabulum

• epinephrine