14 terms

Anatomy final pt 3

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Terms in this set (...)

Skeletal
Type of muscle tissue that is voluntary,striated,multinucleated
Smooth
Type of muscle tissue that is involuntary ,spindle shaped,non striated
cardiac
Type of muscle tissue that is involuntary, striated and has intercalated discs
skeletal
Type of muscle tissue that is attached to bones and causes movement
Smooth
Type of muscle tissue that is in hollow organs and performs peristalsis,vasoconstriction,vasodilation
Cardiac
Type of muscle tissue that is in the heart wall and pumps blood.
A neuromuscular junction
A motor neuron and a skeletal muscle fiber (myofiber) is called a
motor unit
One motor neuron and all the skeletal muscle fibers it stimulates is called
neurotransmitter
The general term for the substances that allow an impulse to travel across the synaptic gap of a neuromuscilar junction
ACh
The specific name for the chemical that is transmitted across the synaptic gap of a neuromuscular junction
action potential
The mechanism in which a neuron transmits an impulse along its length
sliding filament theory
The name for the theory that explains the way protein filaments move during contraction of a skeletal muscle fiber
actin and myosin
The name of the two protein filaments that slide during muscle contraction
ATP
The name of the molecule that allows cross bridges between the protein filaments to detach and reattach during muscle contraction