Term: ball hemoglobin
Name: ball
Synonyms: yolk ball
Definition: The anterior round region of the yolk cell present after the yolk extension forms during the segmentation period.
Ontology: Anatomy Ontology [ZFA:0000006]

Name: hemoglobin
Synonyms: haemoglobin, hemoglobin
Definition:
Ontology: ChEBI [CHEBI:35143]  ( EBI )