A muscle cell, also known as a myocyte, is a mature contractile cell in the muscle of an animal. In humans and other vertebrates there are three types:...
37 KB (4,500 words) - 22:16, 12 July 2024
skeletal muscle cells are much longer than in the other types of muscle tissue, and are also known as muscle fibers. The tissue of a skeletal muscle is striated...
120 KB (13,834 words) - 11:46, 13 June 2024
cardiac muscle cells joined by intercalated discs, and encased by collagen fibers and other substances that form the extracellular matrix. Cardiac muscle contracts...
42 KB (5,130 words) - 05:03, 14 August 2024
multi-unit smooth muscle. Within single-unit muscle, the whole bundle or sheet of smooth muscle cells contracts as a syncytium. Smooth muscle is found in the...
37 KB (4,738 words) - 20:27, 18 July 2024
striated), and smooth muscle (non-striated). Skeletal muscle tissue consists of elongated, multinucleate muscle cells called muscle fibers, and is responsible...
23 KB (2,579 words) - 22:38, 24 August 2024
Muscle hypertrophy or muscle building involves a hypertrophy or increase in size of skeletal muscle through a growth in size of its component cells. Two...
32 KB (3,542 words) - 14:00, 26 June 2024
Muscle contraction is the activation of tension-generating sites within muscle cells. In physiology, muscle contraction does not necessarily mean muscle...
62 KB (7,395 words) - 16:30, 12 July 2024
agonist of these cell receptors is norepinephrine (NE). The adrenergic receptors exert opposite physiologic effects in the vascular smooth muscle under activation:...
6 KB (651 words) - 17:03, 5 February 2024
Myosatellite cells, also known as satellite cells, muscle stem cells or MuSCs, are small multipotent cells with very little cytoplasm found in mature muscle. Satellite...
28 KB (3,408 words) - 17:26, 22 February 2024
Cytoskeleton (redirect from Cell wall skeleton)
inhibition. This action contracts the muscle cell, and through the synchronous process in many muscle cells, the entire muscle. In 1903, Nikolai K. Koltsov proposed...
45 KB (5,121 words) - 06:34, 27 May 2024