Term: zona radiata cytoophidium
Name: zona radiata
Synonyms: vitelline envelope
Definition: Acellular anatomic structure that is a layer that separates the developing oocyte and the granulosa cell layer.
Ontology: Anatomy Ontology [ZFA:0001111]

Name: cytoophidium
Synonyms:
Definition: A filamentous, membrane-less subcellular structure composed primarily of polymerized metabolic enzymes, most notably cytidine triphosphate synthase (CTPS). Cytoophidia are evolutionarily conserved structures found across archaea, bacteria, and eukaryotes.
Ontology: GO: Cellular Component [GO:0097268]    QuickGO    AmiGO