Term: yolk syncytial layer dorsal region
Name: yolk syncytial layer
Synonyms: periblast, yolk sac, YSL
Definition: Peripheral layer of the yolk cell including nuclei and non-yolky cytoplasm.
Ontology: Anatomy Ontology [ZFA:0000088]

Name: dorsal region
Synonyms:
Definition: Anatomical region dorsally located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000079]