- 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.
- a. Of or pertaining to a gastrula.
More About gastrulaPosition 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