Term Name: epithelial sac
Synonyms:
Definition: An epithelial tube that is open at one end only.
Ontology: Cell Ontology [UBERON:0007499]

Relationships
has parts: lumen of epithelial sac
is a type of: epithelial tube sac
has subtype: accessory lymph sac alveolar sac arborizing epithelial duct system biliary bud dental follicle ear vesicle embryonic lymph sac endolymphatic sac extrahepatic part of biliary bud hepatic diverticulum imaginal disc infundibular recess of 3rd ventricle intrahepatic part of biliary bud liver bud pancreatic epithelial bud Rathke's pouch Rathkes pouch epithelium respiratory primordium epithelium tubotympanic recess epithelium tympanic cavity epithelium ureteric bud ureteric bud tip yolk sac