英语词汇“yolk stalk”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	yolk stalk
释义	yolk stalk noun A tubular connection between the yolk sac and the digestive tract of a developing embryo.During this phase of development, the midgut remains attached to the yolk stalk or vitelline duct.... The yolk stalk is also called the umbilical duct, vitelline duct, or oomphalomesenteric duct. The yolk stalk is the narrow connection between the endoderm of the embryo and the yolk sac.
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