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 (no͝or′ə-lə, -yə-lə, nyo͝or′-)
n. pl. neu·ru·las or neu·ru·lae (-lē)
An embryo at an early stage of development in which neurulation begins.

[New Latin : from Greek neuron, sinew, string, nerve; see (s)neəu- in Indo-European roots + Latin -ula, feminine diminutive suffix.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Physiology) embryol an embryo in the stage of development at which the nervous system develops
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈnʊər ə lə, ˈnyʊər-)

n., pl. -las, -lae (-ˌli, -ˌlaɪ)
an embryo in the stage from the development of neural tissue to the formation of the neural tube.
[1905–10; neur- + New Latin, Latin -ula -ule, as in blastula, gastrula]
neu′ru•lar, adj.
neu`ru•la′tion, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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An endogenous sodium current may mediate wound healing in Xenopus neurulae. Dev.
(c) Mid neurulae aggregate at meniscus all around container circumference regardless of the direction of light.
In the early neurulae (E4), MsxA is found at the neural plate border and in the presumptive epidermis; it is then downregulated in the presumptive neural fold territory (E5) and again expressed in the most dorsal aspect of the neural tube after its formation (E6-6.5).
The results suggest that DM-1 is expressed in gastrulae and neurulae and in the neural complex and that sea squirt DM-2 is more broadly distributed throughout larval development.