What do a.m. and p.m. stand for?

neural tube

noun, Embryology
a tube formed by the closure of ectodermal tissue in the early vertebrate embryo that later develops into the brain, spinal cord, nerves, and ganglia.
Origin of neural tube
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for neural tube
  • The average diet does not include enough folate to prevent neural tube birth defects.
  • The end result of this is reduced folate levels, which in pregnant females often causes neural tube abnormalities.
  • Low levels of folate during pregnancy increase the risk of neural tube defects in newborns.
  • Folic acid reduces the risk for neural tube defects and possibly facial abnormalities, such as cleft palate.
British Dictionary definitions for neural tube

neural tube

the structure in mammalian embryos that develops into the brain and spinal cord. Incomplete development results in neural-tube defects, such as spina bifida, in a newborn baby
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
neural tube in Medicine

neural tube n.
A dorsal tubular structure in the vertebrate embryo that develops into the brain and spinal cord.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
neural tube in Science
neural tube  
A tubular structure that results from the folding of tissue along the back of vertebrate embryos and develops into the brain and spinal cord. Improper folding of the neural tube is the cause of spina bifida and other birth defects.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for neural tube

Few English speakers likely know this word

Word Value for neural

Scrabble Words With Friends