Term Name:	polar ring of apical complex
Synonyms:	anterior polar ring of apical complex, upper polar ring of apical complex
Definition:	An electron dense ring at the most anterior position of the apical complex, from which the conoid fibers originate; formed during an invasive life cycle stage of an apicomplexan parasite.
Ontology:	GO: Cellular Component [GO:0020031]    QuickGO    AmiGO