T-tubules (transverse tubules) are extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells. With membranes...

Look up tubule in Wiktionary, the free dictionary. In biology, a tubule is a general term referring to small tube or similar type of structure. Specifically...

and darker A bands composed mainly of myosin. Cardiomyocytes contain T-tubules, pouches of cell membrane that run from the cell surface to the cell's...

The proximal tubule is the segment of the nephron in kidneys which begins from the renal pole of the Bowman's capsule to the beginning of loop of Henle...

sometimes spelled "dyad." The dyad is the connection of transverse- tubules (t-tubules) and the junctional sarcoplasmic reticulum (jSR). Like skeletal muscle...

the muscle fibers are t-tubule openings which facilitate the spread of the action potential into the muscle fibers. The t-tubule meets with the sarcoplasmic...

This is achieved in a region of the muscle cell, called the transverse tubule during a process known as calcium induced calcium release. Located in the...

two dilated end-sacs called terminal cisternae, and a single T-tubule (transverse tubule), which bores through the cell and emerge on the other side;...

between T-tubule and sarcoplasmic reticulum. Junctophilin-2 (JPH2) is essential to maintain this structure, as well as the integrity of T-tubule. Another...

the histology of skeletal muscle, a triad is the structure formed by a T tubule with a sarcoplasmic reticulum (SR) known as the terminal cisterna on either...