Term: yolk posterior region
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: posterior region
Synonyms:
Definition: Anatomical region posteriorly located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000072]