in taxon non-motile cilium 9+0 non-motile cilium A non-motile cilium where the axoneme has a ring of nine outer microtubule doublets but no central microtubules (and is therefore called a 9+0 axoneme). primary cilium non-motile 9+0 cilium GO:0097731 This type of cilia may be present in solitary (authentic primary cilia in many cell types) or in multiple copies (e.g. in Grueneberg ganglion neurons). 9+0 immotile cilium 2016-09-29T14:05:03Z cellular_component pr Eukaryota