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

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Q: In relaxed muscle fiber which structure stores calcium?
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What structure of skeletal muscle functions stores calcium?

sarcoplasmic reticulum


What stores calcium important in muscle contractions?

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


What organelle synthesizes steroids in the ovary and stores calcium in muscle cells?

Smooth ER


What are calcium ions stores as in muscle cells?

sarcoplasmic reticulum, i think. either that are T tubules


When a muscle cell responds to a stimulus calcium is released from the?

Sarcoplasmic reticulum stores and releases calcium ions within striated skeletal muscles.


What is similar to ER but collects and stores calcium ions in a resting muscle cell?

sarcoplasmic reticulum (SR)


During contraction of the heart muscle cells?

some calcium enters the cell from the extracellular space and triggers the release of larger amounts of calcium from intracellular stores


What is the sarcoplasmic reticulum in striated muscle?

Without "the following" I can't say what tha answer you're looking for is, but I would assume it is related to muscle cells as the sarcoplasmic reticulum is a cellular structure only found in the three types of muscle tissue.


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

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


What is immediate source of calcium ion for muscle fiber?

There is some calcium outside the cell but the bulk of it comes from intracellular stores.


Which organelle stores calcium and is considered the cell's membrane factory?

rER makes secretory proteins and also serves as a membrane factory that grows in place by adding proteins and phospholipids.


What are calcium stores?

calcium can typicaly be stored in your fingernails.