myomere


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Related to myomere: lateral line

myomere

[′mī·ə‚mir]
(embryology)
A muscle segment differentiated from the myotome, which divides to form the epimere and hypomere.
References in periodicals archive ?
Myosepta: Sheaths of connective tissue separating myomeres. Transmits contracting forces of muscle fibers between myomeres.
Pigmentation patterns, counts of myomeres, head spines, and fin rays, and various measurements were recorded.
Taxonomic questions: Trunk myomere counts have been used to distinguish species of lampreys (Table 1).
In other species, the neuromasts on the trunk continue to proliferate until they reach one per myomere; this is attained at 13-15 mm in Engraulis mordax (O'Connell, 1981).
Whenever possible, the number of myomeres, spines, and rays of dorsal, anal, caudal, pectoral, and pelvic fins were recorded.
The myomere had a beige coloration going from the posterior cephalic region to the beginning of the tail.
A single row of PVMs is present starting at three myomeres posterior to the anus.
The majority of larvae had higher myomere counts (37-42) than Icelus (35-36) and a different pelvic-fin count (1, 3) than I.
Generally there is one PVM per myomere but in many individuals one or more are missing from the row.
Myomere and fin-ray counts and morphometric measurements were made on the left side of the body.