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Meaning of NOTOCHORD

Pronunciation:  'nowtu`kord

WordNet Dictionary
[n]  a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates

NOTOCHORD is a 9 letter word that starts with N.


 See Also: back, backbone, rachis, spinal column, spine, urochord, vertebral column



Webster's 1913 Dictionary
\No"to*chord\, n. [Gr. ? the back + E. chord.] (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
vertebr[ae] and the posterior part of the base of the skull
are developed; the chorda dorsalis. See Illust. of

 Definition: a cartilaginous rod that runs along the back (dorsal) of all chordates at some point in their life cycle.