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muscle striations
compact protein arrangements in cell
cardiac muscle
striated and involuntary
skeletal muscle
multinucleated and voluntary
smooth muscle
lines body tubes
endomysium
areolar connective tissue around muscle fibers
sarcolemma
plasma membrane of myofiber
thick filaments
myosin
thin filaments
actin
satellite cells
regeneration of muscle fibers
glycogen
storage form of glucose
calcium ion bonding
troponin C
induction of muscle action potential
acetylcholine binding to receptor
heat production
majority of energy used in muscle hydrolysis of ATP
neuromuscular junction
synapse of axon and muscle cell membrane
myoglobin
binds oxygen in muscle
sliding filament theory
thin filament pulled toward center of sarcomere
refactory
nonresponsive to stimulus
tetanus
sustained contraction
motor unit
skeletal muscle fibers activated with one motor neuron
isometric contraction
muscle tension but no shortening
z-disc
demarks sacromere units
myosin
motor protein
myomesin
M line protein
dystrophin
attaches sarcomeres to sarcolemma
titin
myofibril elasticity and extensibility
acetylcholine
opens Na+ channels of muscle
pyruvate
product of glycolysis
electrons from glycolysis
pyruvate —> latic acid
glycolytic skeletal mucsle fibers
glycolysis but few mitochondria
tropomyosin at rest
blocking of myosin binding sites on actin
acetylcholine esterase
cleaves AcCh to end muscle contraction
gap junctions
communicates depolarization in cardiac and smooth muscle
intercalated discs
gap junctions and desmosomes in cardiac cells
Note 
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