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13 terms

Parts of the sarcomere

final study guide for dr delferts class
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A band
middle area in the sarcomere where thick and thin filaments are found.

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
I band
lighter, contains thin filaments but no thick filaments

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
Z disc
separate one sarcomere from the next

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
H zone
area of only thick filaments

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
M line
Supporting proteins that hold the thick filaments together in the H zone

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
sarcomere
contractile unit of muscle

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
neuromuscular junction
The connection between the motor neuron and muscle fiber

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
myoglobin
An oxygen-storing, pigmented protein in muscle cells.

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
satellite cells
myoblasts that persist in mature skeletal muscle

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
transverse tubules
Invaginations, or deep indentations, of the sarcolemma into the sarcoplasm of the skeletal muscle cell

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
sarcoplasmic reticulum
stores and releases calcium into sarcoplasm after nervous stimulation

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
sarcolemma
The plasma membrane of a muscle cell

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm
sarcoplasm
the cytoplasm of a muscle fiber

A band
I band
Z disc
H zone
M line
sarcomere
neuromuscular junction
myoglobin
satellite cells
transverse tubules
sarcoplasmic reticulum
sarcolemma
sarcoplasm