Sentence Examples


  • The smaller cells now divide and spread over the four larger cells; at the same time a space - the cleavage cavity or blastocoel - forms in the centre of the mulberry-like mass.
  • One view of the origin of the latter (largely based upon observations upon the development of Polygordius) sees in the blood system a persistent blastocoel.
  • This vessel is nothing but a split between the right and left folds of the mesentery, and its cavity is thus a remnant of the blastocoel.