notochordal

[noh-tuh-kawrd]

no·to·chord

[noh-tuh-kawrd]
noun Embryology.
a rodlike cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates.

Origin:
1840–50; noto- + chord

no·to·chord·al, adjective
sub·no·to·chord·al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Notochordal is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
notochord (ˈnəʊtəˌkɔːd)
 
n
a fibrous longitudinal rod in all embryo and some adult chordate animals, immediately above the gut, that supports the body. It is replaced in adult vertebrates by the vertebral column
 
noto'chordal
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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