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单词 sarcomere
释义

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 muscle

sar•co•mere

(ˈsɑr kəˌmɪər)

n. any of the segments of myofibril in striated muscle fibers. [1890–95]
Thesaurus
Noun1.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"
Translations
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Sarcomere


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).
SarcomereFig. 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


  • noun

Words related to sarcomere

noun one of the segments into which a myofibril is divided

Related Words

  • myofibril
  • myofibrilla
  • sarcostyle
  • segment
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