At first the myotome (Fig. 159, A) is confined to the dorsal region on each side of the spinal cord and notochord.
The basisphenoid is a little bone above the myotome or tube in which runs the rectus muscle of the eye.
He describes in the dorsal part the formation of myotome and sclerotome, as in the Craniota.
myotome my·o·tome (mī'ə-tōm')
The segment of a somite in a vertebrate embryo that differentiates into skeletal muscle. Also called muscle plate.
A muscle or group of muscles derived from one somite and innervated by a single segment of a spinal nerve.
A knife for dividing muscle.