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sarcomere and sarcolemma are two different things.
a sarcomere is between two d zisks of a myofiber (muscle fiber). a sarcolemma is a plasma membrane. there are many sections of sarcomere under the layer of sarcolemma.
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∙ 12y ago
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What is the plasma membrane of the muscle fiber?
Sarcolemma
What is a cell membrane of a muscle fiber called?
what is the plasma membrane of the muscle cell
Is sarcolemma a ligament?
No, the sarcolemma is the plasma membrane of a muscle cell.
What change occur in sacomere during muscle contraction?
The sarcomere itself will become shorter.The sarcomere will shorten.
What is the functional unit of a muscle called?
Sarcomere
What is the difference between endomysium and sarcolemma?
Sarcolemma is the equivalent of the plasma membrane of the muscle fiber (aka muscle cell). The endomysium is a connective tissue that bounds around the sarcolemma.
What connects the sarcolemma and the sarcoplasmic reticulum?
They connect to the transverse tubules of the the sarcolemma at triad junctions.
What is the treatment for sarcolemma?
Sarcolemma is defined as a thin membrane encasing a muscle fiber. This has no treatment as it is not an illness, injury or problem.
What are two major proteins in the sarcomere?
The two main filaments composing the sarcomere are action and myocin.
What is one of the functional units of a myofibril?
sarcomere
Describe which bands and zones of a sarcomere stay the same and which narrow or disappear during muscle contraction?
M line
Where are acetycholine receptors found?
In the Sarcolemma
