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The sarcoplasmic reticulum is known for its storage of calcium ions in muscle cells.
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Where are the calcium ions stored in the muscle cells?
terminal cisternae of the sarcoplasmic reticulum
Where is calcium stored?
Calcium is largely stored in bones. In cells, it is stored in the smooth endoplasmic reticulum.
Where is excess calcium stored when blood calcium levels increase?
Excess calcium is stored in the bones when blood calcium levels increase. This process is regulated by hormones such as calcitonin and parathyroid hormone, which help maintain calcium balance in the body.
What is called calcium rigor?
Calcium rigor is a condition where excessive levels of calcium in the body lead to muscle stiffness and rigidity. This can affect both smooth and skeletal muscle function, impacting movement and causing discomfort. Proper calcium regulation is essential for normal muscle function.
Which muscle type depends solely on the sarcoplasmic reticulum as its calcium source?
Cardiac muscle relies solely on the sarcoplasmic reticulum as its calcium source for muscle contraction.
Where is calcium stored in a relaxed skeletal muscle?
yes calcium is stored in muscles as it is necessary for muscle contraction and muscle contraction is very sensitive to the amount of calcium
Which ion is stored in the sarcoplasmic reticulum?
Calcium ions are stored in the sarcoplasmic reticulum of muscle cells. These ions play a crucial role in muscle contraction by triggering the release of more calcium ions into the muscle cell, leading to the contraction of the muscle fibers.
Where are the calcium ions stored in a muscle fiber?
Calcium ions in muscle fibers are stored in the sarcoplasmic reticulum, which is a specialized form of endoplasmic reticulum found in muscle cells. When a muscle is stimulated to contract, the sarcoplasmic reticulum releases calcium ions into the cytoplasm, triggering muscle contraction.
The calcium that triggers muscle contraction is stored in?
he endoplasmic reticulum -mastering bio
In certain kinds of muscle cells calcium ions are stored?
Smooth ER
Where in a heart cell is calcium normally stored?
Outside the cardiac muscle cell
Where are the calcium ions stored in the muscle cells?
terminal cisternae of the sarcoplasmic reticulum
Which substance is stored in the muscle's endoplasmic reticulum and then released when a nerve signal stimulates a muscle fiber?
Calcium ions
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.
What would occur if the uptake of calcium ions was blocked in the sarcoplasmic reticulum?
Blocking the uptake of calcium ions in the sarcoplasmic reticulum would prevent muscle contraction. Calcium ions are critical for the release of stored calcium, which activates the muscle contraction process. Without this calcium release, the muscle would not be able to contract effectively or at all.
Where is calcium stored in the muscle cell?
The sarcoplasmic reticulum is known for its storage of calcium ions in muscle cells.
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.
