Sentence Examples

  • But whilst in Trematoda a digestive sac is invariably present except in the sporocyst larval stage, the Cestodes possess no trace of this organ at any stage of their development.
  • A, The free-swimming embryo.- B, A sporocyst containing young rediae.
  • The cilia are lost, the eye-spots disappear, the digestive sac vanishes and the larva becomes a sac or "sporocyst" full of germ-cells.
  • (Highly magnified; after Ziegler.) F, Portion of a sporocyst containing Bucephali in process of development.
  • Distomum macrostomum, which occurs in various birds, produces a very curious sporocyst in the body of the snail Succinea putris.