Notochord

Definition of Notochord

No´to`chord
n.1.(Anat.) An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.

Related Words

back, backbone, rachis, spinal column, spine, urochord, vertebral column
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nothings
Nothofagus
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Notobranchiata
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