"gastrula" Definition

  1. n. An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side, thus giving rise to a double-walled sac, with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense, an ideal stage in embryonic development. See Gastraea.
  2. a. Of or pertaining to a gastrula.

More About gastrula

Position in dictionary: 41175 of 111710 words.
Word Type: n., a.,
Words that start with "gastrula": 3
Words that end with "gastrula": 1
Words that contain "gastrula": 3
Next words in dictionary: gastrulae, gastrulation, gastrura, gastrurous, gat
Previous words in dictionary: gastrovascular, gastrotrocha, gastrotricha, gastrotomy, gastrostomy

English Dictionary Definition of gastrula

Read all of this dictionary's definitions for the word "gastrula" on this page. Also learn the word type, other words that start with, end with or contain this word, the position in the dictionary and the next and previous terms. The historical definitions of the word "gastrula" found on this page is taken from the 1913 edition of Webster's Unabridged Dictionary.