| 释义 |
yolk stalk
yolk stalkn. A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.yolk′ stalk`
n. a tubular connection between the yolk sac and the embryonic gut in the developing embryo. [1895–1900] yolk stalk
yolk stalkthe narrowed connection between the intraembryonic gut and the yolk sac; its walls are splanchnopleure. Synonym(s): omphaloenteric duct, ophaloenteric duct, umbilical duct, vitelline duct, vitellointestinal ductyolk stalkn. A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.om·pha·lo·en·ter·ic duct (om'fă-lō-en-ter'ik dŭkt) Narrowed tubular connection between the embryonic midgut and umbilical vesicle (yolk sac).
Synonym(s): omphalomesenteric duct, yolk stalk. ThesaurusSeestalk |