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sarcomere
sar·co·mere S0089500 (sär′kə-mîr′)n. One of the repeating contractile segments into which a myofibril is divided, composed of actin and myosin filaments and giving striated muscle its distinctive bands.sarcomere (ˈsɑːkəʊˌmɪə) n (Anatomy) any of the units that together comprise skeletal musclesar•co•mere (ˈsɑr kəˌmɪər)
n. any of the segments of myofibril in striated muscle fibers. [1890–95] Thesaurus| Noun | 1. | sarcomere - one of the segments into which a myofibril is dividedmyofibril, myofibrilla, sarcostyle - one of many contractile filaments that make up a striated muscle fibersegment - one of the parts into which something naturally divides; "a segment of an orange" |
TranslationsSarcomere
sarcomere[′sär·kə‚mir] (histology) One of the segments defined by Z disks in a skeletal muscle fibril. Sarcomere a muscle-fiber segment between two dark Z bands that is the main recurring structural unit of myofibrils. Each sarcomere includes a single dark anisotropic A band and two light isotropic I disks. In the middle of each sarcomere is a narrow light H band containing a dark central M band. sarcomere
sarcomere [sahr´ko-mēr] the contractile unit of a myofibril; sarcomeres are repeating units, delimited by the Z bands along the length of the myofibril. Thick and thin filaments are organized into contractile units called sarcomeres. A sarcomere extends from one Z line to the next and represents the fundamental unit of muscle contraction. From Copstead, 1995.sar·co·mere (sar'kō-mēr), The segment of a myofibril between two adjacent Z lines, representing the functional unit of striated muscle. [sarco- + G. meros, part] sarcomere (sär′kə-mîr′)n. One of the repeating contractile segments into which a myofibril is divided, composed of actin and myosin filaments and giving striated muscle its distinctive bands.sar·co·mere (sahr'kō-mēr) The segment of a myofibril between two adjacent Z lines, representing the functional unit of striated muscle. [sarco- + G. meros, part]sarcomere The structural unit of a striped muscle fibre (myofibril). Fig. 273 Sarcomere . Muscle fibrils consist of alternating groups of the thick and thin filaments (dark and light bands), the distance between two Z-membranes being termed a ‘sarcomere’. sarcomere that part of the muscle fibre which is contained between two Z-MEMBRANES, and is the contractile element of the fibre. See MUSCLE, I-BAND. sarcomere
Words related to sarcomerenoun one of the segments into which a myofibril is dividedRelated Words- myofibril
- myofibrilla
- sarcostyle
- segment
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