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Noun: vesicula umbilicus
  1. Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
    - yolk sac, vitelline sac, umbilical vesicle

Type of: sac

Nearest

vesical
vesical vein
vesicant
Vesicaria
vesicate
vesication
vesicatory
vesicle
vesicopapule
vesicoureteral reflux
vesicula umbilicus
vesicular
vesicular stomatitis
vesiculate
vesiculation
vesiculitis
vesiculovirus
Vespa
Vespa crabro
Vespasian
Vesper