muscles labeled
muscle contraction
sarcomere
vocabulary
neuromuscular junction
100
what muscle is labeled
what is biceps brachili?
100
in which of the 3 tissues does muscle contraction occur?
what is muscle tissue?
100
2 filaments which compose a sarcomere?
what are thick myosin and thin actin filaments?
100
filament that pulls actin filaments to cause muscle contractions
what is myosin?
100
defintion of neuromuscular junction
what is a synapse between a motor neuron and skeletal muscle?
200
what is this muscle?
what is quadriceps?
200
what is the unit of muscle responsible for contraction?
what is a sarcomere?
200
dense black line where adjacent sarcomeres interweave
what is Z line?
200
principle muscle involved in movement
what is an agonist?
200
chemical in NMJ released by vesicles and binds to the receptors
what is acetylcholine?
300
what muscle?
what is external oblique?
300
what prevents myosin from binding to actin?
what is tropomyosin?
300
filament only present in the H zone
what is thick myosin filament?
300
what is a synapse?a small gap at the end of a neuron that allows a signal to pass from one neuron to the next.
what is a synapse?
300
label #7?
what is synaptic vesicle?
400
what is this muscle?
what is a deltoid?
400
what 2 molecules unite to reveal the actin binding sites?
what are calcium ions and troponin molecules?
400
what is occurring when distance between z lines decrease and the h zone begins to disappear.
what is sliding actin filament?
400
a guard mechanism that prevents a muscle from contracting irregularly
what is tropomyosin?
400
area between the nerve terminal and motor endplate in a NMJ
what is a synaptic cleft?
500
what muscle?
what is patella?
500
what is the 3rd step of muscle contraction called?
what is reactivation?
500
in the center of H zone, consists of proteins that hold myosin in place
What is the M line?
500
a connective tissue sheath that surrounds individual muscle fasicles.
what is perimysium?
500
acetylcholine is broken down by
what is acetylcholine esterase?