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Nounverified MWEverified

Vitelline Sac

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

a membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional

MWE

Classifications

per-axis with provenance

Entity Type

Unknown—authoritativeglossary_import_default_pending_classifier

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

4 surface forms

synonym: yolk sac
plural: Vitelline Sacs
possessive: Vitelline Sac's
pluralpossessive: Vitelline Sacs'

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