yolk sacs

A form of yolk sac — A membranous sac attached to an embryo, providing early nourishment in the form of yolk in bony fishes, sharks, reptiles, birds, and primitive mammals.

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Meanings

noun
  1. pluralplural of yolk sac
Cite this entry
APA

yolk sacs. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/yolk%20sacs

MLA

“yolk sacs.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/yolk%20sacs. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “yolk sacs,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/yolk%20sacs.

Source: yolk sacs on Wiktionary, CC BY-SA 4.0.