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Julia Joie Capuyan posted an update in the group
MT30-Histology Art AB 3 years, 7 months ago Smooth muscle, also known as involuntary muscle, is a form of muscle that does not have cross stripes when viewed through a microscope. It is made up of slender spindly cells with a single nucleus in the center.-
Smooth muscle tissue, as opposed to striated muscle, contracts gently and naturally. It makes up a large portion of the musculature of internal organs and the digestive system-
Smooth muscle cells have a thickness of 3-10 m and a length of 20-200 m. Myofilaments dominate the cytoplasm, which is consistently eosinophilic. The nucleus, which is in the core, takes on a cigar-like structure during contraction
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Caveolae are tiny pouch-like invaginations generated by the cell membrane in the cytoplasm that function similarly to T-tubules in skeletal muscle. A basal lamina connects smooth muscle cells to the connective tissue that surrounds them
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Smooth muscle fibers are organized into branching bundles. Unlike skeletal muscle fibers, these bundles are not perfectly parallel and ordered, but rather constitute a complex structure. As a result, the cells can contract with far more force than striated muscle
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