Chapter 9 - Muscular System Flashcards
intercalated disc
calat-
something inserted
synergist
erg-
work
fasciculus
fasc-
bundle
myogram
-gram
something written
muscular hypertrophy
hyper-
over, more
intercalated disc
inter-
between
isotonic contraction
iso-
equal
latent period
laten-
hidden
myofibril
myo-
muscle
sarcoplasmic reticulum
reticul-
a net
sarcoplasm
sarco-
flesh
synergist
syn-
together
tetanic contraction
tetan-
stiff
isotonic contraction
-tonic
stretched
muscular hypertrophy
-troph
well-fed
voluntary muscle
voluntar-
of one’s free will
fascia
layer of fibrous convective tissue that increases responsiveness to further simulation
tendon
cordlike or bandlike mass of dense convective tissue that connects a muscle to a bone
aponeurosis
sheet of connective tissue that attracts muscles to bone and other muscles
epimysium
outer layer of connective tissue surrounding a skeletal muscle
perimysium
sheath of connective tissue that encloses a bundle of skeletal muscle fibers or a fascicle
fascicles (fasciculi)
anak bundles of muscle fibers
endomysium
layer of connective tissue surrounding each skeletal muscle fiber
compartment
space that contains a particular group of muscles, blood vessels, and nerves
tenosynovium
connective tissue sheath of a tendon
tendinitis
tenosynovitis
myofibril
myosin
actin
sarcomere
sarcolemma
sarcoplasm
I band
A band
Z line
H zone
M line
titin (connectin)
troponin
tropomyosin
sarcoplasmic reticulum
transverse tubules (T tubules)
cisternae
triad
muscle strain
dystrophin
action potential
synapse
neurotransmitter
motor neuron
neuromuscular junction
motor end plate
synaptic cleft
acetylcholine (ACh)
sliding filament model
ATPase
acetylcholinesterase
rigor mortis
creatine phosphate
myoglobin
lactic acid threshold
oxygen debt
fatigue
threshold stimulus
twitch
latent period
all-or-none response
summation
sustained contraction
partial tetany
complete (fused) tetanic contraction (tetanus)
recruitment (multiple motor unit summation)
muscle tone (tonus)
isotonic contraction
concentric contraction
eccentric contraction
isometric contraction
fast-twitch muscle fibers (type II)
slow-twitch muscle fibers (type I)
multiunit smooth muscle
visceral smooth muscle
rhythmicity
peristalsis
calmodulin
norepinephrine