/ Thesaurus / N Synonyms of neural tube Find synonyms for: Noun1. neural tube, ectoderm, exoderm, ectoblastusage: a tube of ectodermal tissue in the embryo from which the brain and spinal cord developWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language