Term: ball integument ionocyte
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: integument ionocyte
Synonyms: extrabranchial ionocyte, skin ionocyte
Definition: Ionocyte located in the integument during embryonic and larval stages.
Ontology: Anatomy Ontology [ZFA:0005325]