Medical Terminology - Module 6 Flashcards
(63 cards)
smooth muscle
visceral; makes up walls of organs, is involuntary
cardiac muscle
makes up the myocardium
skeletal muscle
attached to bones; voluntary movement
facicles
bundles of muscle fibers
fascia
a band or sheet of fibrous connective tissue that covers, supports, and separates muscle
neuromuscular junction
point of contact between a motor neuron and a skeletal muscle cell; a synapse
ACh
acetylcholine; a neurotransmitter that stimulates skeletal muscle contraction
tonus
state of firmness
agonist
muscle that produces movment
antagonist
opposing muscle of the agonist
prime mover
the main muscle when a group of muscles is moving
synergist
assists the prime mover
origin
where muscle attaches to stable skeleton
insertion
where muscle is attached to a moving part of the skeleton
flexion
closing the angle at a joint
extension
opening the angle at a joint
pronation
turning downward
supination
turning upward
eversion
turning outward
inversion
turning inward
dorsiflexion
bending backward
plantar flexion
bending the sole of the foot
my/o
muscle
muscul/o
muscle