Term: unfertilized egg egg chorion
Name: unfertilized egg
Synonyms: activated oocyte
Definition: A female gamete where meiosis has progressed to metaphase II and is able to participate in fertilization. In zebrafish specified to be outside the body.
Ontology: Anatomy Ontology [ZFA:0001570]

Name: egg chorion
Synonyms:
Definition: A protective, noncellular membrane that surrounds the eggs of various animals including insects and fish.
Ontology: GO: Cellular Component [GO:0042600]    QuickGO    AmiGO