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General
Skeletal
Muscle
Smooth
Muscle
Muscle
Muscle
Metabolism Microanatomy
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The four main functions
of muscles
What are movement,
maintain posture,
stabilize joints and
generate heat
The four functional
characteristics true of
all muscle types.
What are excitability,
contractibility,
extensibility, and
elasticity
DOUBLE JEOPARDY
A main microanatomical
characteristic common
to both skeletal muscle
and cardiac muscle
What are striations
The term referring to
the fused cells that
makes up a muscle fiber
What is a syncytium
The layer of connective
tissue that surrounds
the entire muscle, and
the extension of this
tissue forms a _____
connecting the muscle
to the bone
What is epimysium,
tendon.
The phenomenon in
which “voluntary”
muscles remain in a
slightly contracted state
at all times.
What is muscle tone
A type of contraction in
which tension increases
within the muscle, but
the muscle never
actually shortens (load
overcomes strength of
contraction)
What is an isometric
contraction
The neurotransmitter
that transmits the nerve
impulse to the skeletal
muscle cell
What is aceytlcholine
The tubule network that
sequesters Calcium, and
then releases it when
prompted by an action
potential
What is the
sarcoplasmic reticulum
The protein associated
with the _____ filament
that binds calcium is
called ________.
What is thin, troponin
The location(s) of
smooth muscle in the
body
What are hollow,
“tubelike” organs
DOUBLE JEOPARDY
The main function of
smooth muscle
What is peristalsis
The pouchlike infoldings
of the plasma
membrane which
sequesters Calcium
What are calveoli
The factor(s) that
regulate contraction of
smooth muscle cells
What are
neurotransmitters (Ach,
Epi, NE) and local
factors (hormones, pH,
temperature
The protein that binds
Calcium, triggering a
series of reactions
allowing myosin to bind
to actin in smooth
muscle cells
What is calmodulin
The chemical that
serves as our main form
of energy
What is
adenosinetriphosphate
(ATP)
The first step in every
metabolic process
What is glycolysis
The product(s) of
anaerobic metabolism
What is lactic acid and
~ 2 ATP
The product(s) of
aerobic metabolism
What is water, carbon
dioxide and 36 ATP
The location within the
cell of aerobic and
anaerobic metabolism
What is mitochondria
(aerobic) and cytosol
(anaerobic)
The contractile unit of a
muscle fiber
What is a sarcomere
The area encompassing
the entire width of the
thick filament The
connective tissue that
covers cartilage
What is the A band
A group of muscle fibers
grouped together and
surrounded by
perimysium
What is a fascicle
The area of thin
filaments that are not
overlapped with thick
filaments.
What is the I band
The parts of the
sarcomere that do not
change in size during
contraction
The A band and the M
line