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Where are the calcium ions stored in the muscle cells?

terminal cisternae of the sarcoplasmic reticulum


The part of the sarcoplasmic reticulum where calcium ions are stored called?

The part of the sarcoplasmic reticulum where calcium ions are stored is called the terminal cisternae. These structures are found at the ends of the sarcoplasmic reticulum and play a key role in releasing calcium ions into the muscle cell during muscle contraction.


The enlarged portion of the sarcoplasmic reticulum on either side of a transverse tube is called?

Cisternae/cistern


Terminal cisternae of the sarcoplasmic reticulum release Ca2 when signaled by the?

Terminal cisternae of the sarcoplasmic reticulum release Ca2+ when signaled by an action potential traveling along the T-tubules. This Ca2+ release triggers muscle contraction by binding to troponin and initiating the sliding of actin and myosin filaments.


What stores calcium important in muscle contractions?

The Sarcoplasmic Reticulum stores calcium and releases it through the terminal cisternae into the tubule.


What is the organelle that stores calcium in resting muscle cells?

The organelle that stores calcium in resting muscle cells is the sarcoplasmic reticulum. Calcium ions are released from the sarcoplasmic reticulum during muscle contraction to trigger muscle activity.


In relaxed muscle fiber which structure stores calcium?

It is the Terminal Cisternae- Sac like regions of the sarcoplasmic reticulum that serve as specialized resevoirs of calcium ions


The enlarged perpendicular chambers of the sarcoplasmic reticulum that store calcium ions lies adjacent to the t tubule at the you band and the a band interface of the skeletal muscle sarcomere?

It is the terminal cisternae


Normally stored in the terminal cisternae of the sarcoplasmic reticulum?

Calcium ions are normally stored in the terminal cisternae of the sarcoplasmic reticulum in muscle cells. When muscle contraction is initiated, these stored calcium ions are released into the cytoplasm, triggering muscle contraction.


The skeletal muscle complex known as the triad consists of what?

one transverse tubule and two terminal cisternae


What does the terminal cisternae of the sarcoplasmic reticulum release?

The terminal cisternae release calcium ions into the muscle cell in response to an action potential. This calcium triggers muscle contraction by binding to troponin, which allows myosin to bind with actin and initiate the sliding filament mechanism.


Where is calcium stored in the muscle cell?

The sarcoplasmic reticulum is known for its storage of calcium ions in muscle cells.