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sarcoplasmic reticulum
sarcoplasmic reticulumn. The form of endoplasmic reticulum found in striated muscle fibers.sar•co•plas′mic retic′ulum (ˌsɑr kəˈplæz mɪk)
n. a network of tubular membranes that surrounds muscle fibrils. [1950–55] sarcoplasmic reticulum
sarcoplasmic reticulum[¦sar·kə¦plaz·mik rə′tik·yə·ləm] (cell and molecular biology) Collectively, the cysternae of a single muscle fiber. sarcoplasmic reticulum
reticulum [rĕ-tik´u-lum] (L.) 1. a small network, especially a protoplasmic network in cells.2. reticular tissue.agranular reticulum smooth-surfaced endoplasmic reticulum.endoplasmic reticulum an ultramicroscopic organelle of nearly all higher plant and animal cells, consisting of a system of membrane-bound cavities in the cytoplasm, occurring in two types: granular or rough-surfaced, bearing large numbers of ribosomes on its outer surface, and agranular or smooth-surfaced.granular reticulum rough-surfaced endoplasmic reticulum.sarcoplasmic reticulum a form of agranular reticulum in the sarcoplasm of striated muscle, comprising a system of smooth-surfaced tubules surrounding each myofibril.sar·co·plas·mic re·tic·u·lumthe agranular endoplasmic reticulum of skeletal and cardiac muscle; the complex of vesicles, tubules, and cisternae forming a continuous structure around striated myofibrils, with a repetition of structure within each sarcomere.sarcoplasmic reticulumn. The form of endoplasmic reticulum found in striated muscle fibers.sar·co·plas·mic re·tic·u·lum (sahr'kō-plaz'mik rĕ-tik'yū-lŭm) The endoplasmic reticulum of skeletal and cardiac muscle; the complex of vesicles, tubules, and cisterns forming a continuous structure around striated myofibrils, with a repetition of structure within each sarcomere. sarcoplasmic reticulum The endoplasmic reticulum of a muscle cell which stores and releases calcium ions.sarcoplasmic reticulum the cysternae of a single muscle fibre, equivalent to the ENDOPLASMIC RETICULUM of other cells.AcronymsSeesum ruleThesaurusSeereticulum |