Z disk definition anatomy.

Z disk definition anatomy It is interesting to find the thinnest Z-discs in the fastest muscle fibres, which, functionally, produce the highest sarcomere-shortening velocities, and the widest Z-discs in slow muscle. Figure 10. Initially viewed as a structural component at the lateral boundaries of the sarcomere, the cardiac z-disc has increasingly become recognized as a nodal point in cardiomyocyte signal transduction and disease. – Z-lines define the boundaries of each sarcomere. , 1996; Tonino et al. Jan 8, 2015 · The I band is the region of a striated muscle sarcomere that contains thin filaments. The area between two Z lines, a sarcomere, can be considered to be the primary structural and functional unit directly responsible for muscle contraction. Hole's Essentials of Human Anatomy and Physiology extends from one Z disc to the next. Z-disc is made of hundreds of proteins including actinin and titin proteins. Study with Quizlet and memorize flashcards containing terms like thick filaments are found in the __ of the sarcomere, T tubules are an extension of the, Z disc and more.