Name:	yolk
Synonyms:	yolk cell
Definition:	Giant syncytial uncleaved cell containing nutrient store for embryonic development in the form of semicrystalline phospholipoprotein and contained within yolk granules.
Ontology:	Anatomy Ontology [ZFA:0000084]

Name:	vesicle
Synonyms:	membrane-bounded vesicle, membrane-enclosed vesicle
Definition:	Any small, fluid-filled, spherical organelle enclosed by membrane.
Ontology:	GO: Cellular Component [GO:0031982] QuickGO AmiGO