"yolk sac" in German yolk sac Dottersack Detailed translations for "yolk sac" yolk sac yolk sac der Dottersack{masculine} It contains traces of a solid nutrient material... a bit like the yolk sac of certain fish... or Source: opensubtitles.org Corpus by OPUS Request review Sie enthalten Spuren eines festen Nährstoffes, so ähnlich wie der Dottersack von gewissen Fischen English synonyms for "yolk sac" yolk sac {n} umbilical vesicle vesicula umbilicus vitelline sac