Term: median fin fold blastema
Name: median fin fold
Synonyms: median fin
Definition: Surface structure that will develop into one of the median fins. Extends from dorsal surface of fish, caudal to the 8th somite, to the ventral surface ending at the caudal side of the vent.
Ontology: Anatomy Ontology [ZFA:0000040]

Name: blastema
Synonyms: regeneration blastema
Definition: A regenerating tissue composed of a proliferative mass of undifferentiated progenitor cells from which new differentiated structures arise.
Ontology: Anatomy Ontology [ZFA:0001270]