VITELLINE SAC as NOUN

1. Meaning
   • membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional
   Synonym(s)
   • umbilical vesicle (what does umbilical vesicle mean?)
   • vesicula umbilicus (what does vesicula umbilicus mean?)
   • yolk sac (what does yolk sac mean?)
   Hypernyms(s) vitelline sac is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • sac (what does sac mean?)