vitellary

Tanımlar (İngilizce)

1. sıfat Vitelline.

   “The intestine makes several turns outside of the umbilicus, and continues in communication with the vitellary sac by means of the vitellary duct; upon the inner surface of the vitellary sac, and over the tortuous veins, membranous productions — puckered or wrinkled folds — make their appearance;”

2. isim A cluster of undeveloped eggs within the ovary of a female bird.

   “It is the Opinion of most, and that no without great Probability, that all the Eggs a Hen will ever lay, are contain'd in this Vitellary or Cluster, and that as soon as this Number is exhausted, she will become effœte or barren.”

3. isim The vitelline gland; a gland that produces yolk in some worms.

   “In Asplanchnaceae, the germary is median, continuous at the distal end with the middle of the transverse horseshoe-shaped vitellary. In Bdelloidaceae and Seisonaceae the whole organ is paired, the germary proximal, the vitellary next the cloaca.”