neurula

neu·ru·la

[noor-uh-luh, nyoor-]
noun, plural neu·ru·las, neu·ru·lae [-lee, -lahy] . Embryology.
an embryo in the stage of development in which part of the ectoderm is differentiated into neural tissue and in which the neural tube, which develops into the brain and spinal cord, is formed.

Origin:
1905–10; < Neo-Latin; see neur-, -ule

neu·ru·lar, adjective
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neurula neu·ru·la (n&oobreve;r'ə-lə, -yə-lə, ny&oobreve;r'-)
n. pl. neu·ru·lae (-lē')
An early stage of embryonic development in which neurulation begins.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Neurula is always a great word to know.
So is callithumpian. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
the offspring of a zebra and a donkey.
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