Term: pronephric duct opening cytoophidium
Name: pronephric duct opening
Synonyms: pronephric duct openings, urogenital opening
Definition: The juncture where the pronephric ducts empty into the cloaca.
Ontology: Anatomy Ontology [ZFA:0001055]

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