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 (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.
References in periodicals archive ?
He had intact dermatome, myotome, and deep tendon reflex distribution from C5-T1, and a negative VBAT within the available ROM.
We proceeded to focus on the cerebellum and the parietal cortex, resetting the myotomes in the cervical spine, upper extremities, pelvic girdle, and lower extremities, in that order.
In patients with Guillain-Barre-like syndrome, voluntary motor unit potentials were preserved in tested myotomes.
Injuries to the area of the conus medullaris often yield a combination of both upper and lower motor neuron symptoms in the dermatomes and myotomes of the affected sectors.
Gapping--Fish fillets are often produced in which the muscle flakes, called myotomes, separate, creating the effect called "gapping.
At the maximum steady swimming speed (the highest speed before white muscle recruitment), scup generate most of the power for swimming by using the aerobic muscle fibers of the posterior myotomes (Rome et al.
One model suggests a developmental relationship between the axial series and the myotomes in which each preaxial piece receives muscle slips from the segment supplying the axial series.
Specific groups or parts of muscle mass are likewise supplied by specific spinal segments called myotomes -- all muscles derived from one somite and innervated by one segmental spinal nerve.
These muscles represent the myotomes for neural segments representing the arms (levels C5 through T1) and legs (levels L2 through S1).
Motor strength was 5/5 bilaterally for all lower limb myotomes, though the patient still complained of bilateral leg weakness with running.
All upper extremity peripheral nerves (motor components) and myotomes (C4-T1) were assessed during motor testing.