myomere

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myomere

 [mi´o-mēr]
myotome; the muscle plate or portion of a somite that develops into voluntary muscle.

my·o·tome

(mī'ō-tōm),
1. A knife for dividing muscle.
2. In embryos, that part of the somite that develops into skeletal muscle. Synonym(s): muscle plate
3. All muscles derived from one somite and innervated by one segmental spinal nerve.
4. In primitive vertebrates, the muscular part of a metamere. Synonym(s): myomere
[myo- + G. tomos, a cut]

myomere

/myo·mere/ (mi´o-mēr) myotome (2).

myomere

See myotome.

my·o·tome

(mī'ō-tōm)
1. A knife for dividing muscle.
2. In embryos, that part of the somite that develops into skeletal muscle.
Synonym(s): muscle plate.
3. All muscles derived from one somite and innervated by one segmental spinal nerve.
4. In primitive vertebrates, the muscular part of a metamere.
Synonym(s): myomere.
[myo- + G. tomos, a cut]

myomere

myotome; the muscle plate or portion of a somite that develops into voluntary muscle.
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References in periodicals archive ?
Larvae had 23-26 myomeres (mode: 25 myomeres), 7-12 preanal and 13-18 postanal; the myomere formula did not change with development.
Lead author Professor Simon Conway Morris, from Cambridge University, said: "The discovery of myomeres is the smoking gun that we have long been seeking.
A single row of PVMs is present starting at three myomeres posterior to the anus.
8 mm BL have a pigmentation pattern similar to that described above, but with slight changes in the numbers of myomeres forming the blotches (Fig.
The majority of larvae had higher myomere counts (37-42) than Icelus (35-36) and a different pelvic-fin count (1, 3) than I.
On day 49, the single row of dorsal midline pigment extended to 5-6 myomeres anterior to the caudal peduncle.
Fins and meristic features Modes of preanal and postanal myomeres were 14 and 23, respectively.
The number of vertebrae, which should approximate the number of myomeres in larvae much smaller than those collected in this study, in conjunction with pigment differences have been shown to be useful in separating clupeid species complexes (Ditty et al.
Despite the difficulty in counting myomeres, either the number of vertebrae in cleared and stained specimens or the number of myomeres between the pectoral-fin base and anus (usually three less than the number of precaudal vertebrae; see Tables 2 and 4) revealed a consistent difference between both species.
Pigment patterns, especially the position of body melanophores in relation to myomeres, were determined for specimens from 3 to 16 days after hatching (n=180, 3.
The width of five consecutive myomeres located between the two pigment bands on the tail were measured at 50x with an ocular micrometer and polarized light.