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I know 2 muscles that start with "T." The triceps and the tongue.

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16y ago
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6mo ago

The trapezius muscle, commonly known as the traps, is a large muscle in the upper back and neck region. It is responsible for movements like shrugging the shoulders and pulling the shoulder blades together.

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Q: A Muscle that starts with a T?
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What muscle starts with u?

One muscle that starts with the letter "U" is the Ulnaris muscle, also known as the Extensor carpi ulnaris. It is located in the forearm and is responsible for wrist extension and adduction.


T tubules are invaginations of the?

T tubules are invaginations of the cell membrane in muscle cells, specifically in myocytes. These structures play a crucial role in transmitting action potentials deep into the muscle fiber, allowing for coordinated muscle contractions. T tubules are essential for the excitation-contraction coupling process in muscle cells.


What muscle starts with the letter o?

The muscle that starts with the letter "o" is the orbicularis oris, which is a circular muscle surrounding the mouth. It is responsible for controlling lip movements and aiding in actions such as puckering, kissing, and smiling.


What is a T-tubule?

A T-tubule is a small, tube-like invagination of the cell membrane in muscle cells, particularly in cardiac and skeletal muscle. T-tubules help to transmit action potentials quickly into the cell interior, allowing for synchronous contraction of muscle fibers.


What connects the sarcolemma and the sarcoplasmic reticulum?

The T-tubules, or transverse tubules, connect the sarcolemma (muscle cell membrane) to the sarcoplasmic reticulum (membrane network within muscle cells). T-tubules allow for the rapid transmission of action potentials generated at the sarcolemma to the interior of the muscle cell, triggering the release of calcium from the sarcoplasmic reticulum to initiate muscle contraction.