myotome

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myotome

 [mi´o-tōm]
1. an instrument for dividing muscles.
2. the muscle plate or portion of a somite that develops into voluntary muscle.
3. a group of muscles innervated from a single spinal nerve. adj., adj myotom´ic.

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]

myotome

/myo·tome/ (mi´o-tōm)
1. an instrument for performing myotomy.
2. the muscle plate or portion of a somite that develops into noncardiac striated muscle.
3. a group of muscles innervated from a single spinal segment.myotom´ic

myotome

(mī′ə-tōm′)
n.
1. A segmental mass of mesoderm in a vertebrate embryo that differentiates into skeletal muscle.
2. A muscle or group of muscles derived from one somite and innervated by a single segment of a spinal nerve.
3. A knife for dividing muscle during surgery.

myotome

[mī′ətōm]
Etymology: Gk, mys + temnein, to cut
1 also called myomere, the muscle plate of an embryonic somite that develops into a voluntary muscle.
2 a group of muscles innervated by a single spinal segment.
3 an instrument for cutting or dissecting a 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]

myotome

a muscle block that is repeated in each METAMERIC SEGMENT. Segmentation becomes much modified in the head region, and where paired limbs are developed.

myotome

muscles derived from a single embryonic somite, innervated by branches of the same spinal nerve

myotome (mīˈ··tīm),

n the collection of all muscles sharing a block of mesodermal tissue as their origin and innervated by a single spinal nerve segment.

myotome

1. an instrument for dividing muscles.
2. the muscle plate or portion of a somite that develops into voluntary muscle.
3. a group of muscles innervated from a single spinal nerve.