myomeren.
/ˈmʌɪə(ʊ)mɪə/, U.S. /ˈmaɪoʊˌmɪ(ə)r/ Embryology and Zoology.
Each of a series of blocks of mesodermal tissue situated on either side of the spine in vertebrate embryos; (also) each of the muscle blocks derived from these, esp. in fishes and amphibians. Also called myotome.
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the world > life > the body > structural parts > muscle > parts of muscle > [noun]
wella1400
fontanelle?a1425
head?a1425
belly1591
venter1615
tail1719
myotome1857
sclerotome1857
myomere1868
muscle spindle1894
spindle1894
Z line1916
Z band1950
dyad1957
triad1957
1868 R. Owen On Anat. Vertebr. III. Index 895/1 Myocomma (syn. myomere, myotome).
1878 Amer. Naturalist 12 811 Our author [sc. H. von Ihering] considers the body-segment of a vertebrate..as the combination of a neuromere arising from the ectoderm with the scleromere and myomere arising from the mesoderm.
1887 Q. Jrnl. Microsc. Sci. 27 614 An arrangement in distinct myomeres.
1910 Encycl. Brit. I. 887/2 (caption) Lateral view of adult, to show general form, the myomeres, fin rays, and gonads.
1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xv. 215 The muscles..are arranged in an orderly series of V-shaped muscle segments termed myomeres or myotomes.
1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) ix. 282 In fishes above the cyclostome level, there develops on either flank..a horizontal septum of connective tissue dividing every myomere into dorsal and ventral portions.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).
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n.1868