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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005