Sentence Examples

  • According to Heymons, the yolk-cells must be Metameric Segmentation.
  • In eggs which contain a larger quantity of food-yolk, the process by which the endoderm is enveloped by the ectoderm is somewhat different.
  • In diameter, with little yolk, and the embryos provided with large trophic vesicles (Willey).
  • (The ovary (a) leads into (bb) the oviduct, which is joined at (g) by the duct of the yolk-glands (h, h, Y).
  • Areas are found on the foot of the embryo Pulmonate Limax and on the yolk-sac (distended foot-surface) of the Cephalopod Loligo.