Yolk Sac
nounverified·updated May 18, 2026
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
polysemousMWE
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- umbilical vesiclevitelline sac
- plural
- Yolk Sacs
- possessive
- Yolk Sac's
- pluralpossessive
- Yolk Sacs'