has part has part has_part outer dynein arm non-motile cilium 9+2 non-motile cilium 2016-09-29T14:07:33Z 9+2 immotile cilium cellular_component pr This type of cilia may be present in solitary (e.g. in inner hair cells) or in multiple copies (e.g. in olfactory neurons). A non-motile cilium where the axoneme has a ring of nine outer microtubule doublets plus two central microtubules (and is therefore called a 9+2 axoneme). non-motile 9+2 cilium GO:0097732