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单词 myocomma
释义

myocomman.

Brit. /ˌmʌɪə(ʊ)ˈkɒmə/, U.S. /ˌmaɪoʊˈkɑmə/
Inflections: Plural myocommas, myocommata Brit. /ˌmʌɪə(ʊ)ˈkɒmətə/, U.S. /ˌmaɪoʊˈkɑmədə/.
Origin: A borrowing from Greek, combined with an English element. Etymons: myo- comb. form, Greek κόμμα.
Etymology: < myo- comb. form + Byzantine Greek κόμμα segment (already in ancient Greek in sense ‘stamp, die’: see comma n.).
Embryology.
Originally: = myotome n. 1. Later: = myoseptum n.
ΘΚΠ
the world > animals > animal body > general parts > constituent materials > [noun] > division of muscle
myocomma1846
1846 R. Owen Lect. Compar. Anat. Vertebr. Animals i. 164 The fibres of each myocomma of the trunk run straight and nearly horizontally from one septum to the next.
1880 A. Günther Introd. Study of Fishes 94 The aponeurotic septa between the myocommas.
1896 Philos. Trans. 1895 (Royal Soc.) B. 186 169 (note) The fact that the term myocomma as expressive of no new meaning had become superfluous, may justify the now rather common use of the word myocomma in the sense of intermuscular septum.
1910 Encycl. Brit. I. 888/1 The main musculature can be seen..to be divided into about sixty pairs of muscle-segments (myotomes) by means of comma-shaped dissepiments, the myocommas.
1974 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. xxxiii. 190/1 The muscles of the body are arranged in myotomal blocks of striated fibres separated by regions of connective tissue (myocommas).
1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) vii. 188 Riblike intermuscular bones may be found in teleosts..at other points in the myocommata, making for greater muscular efficiency.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).
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n.1846
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