Junctions between microtubule walls.
D000818:Animals; D001921:Brain / Q000648:ultrastructure; D002417:Cattle; D008854:Microscopy, Electron; D008870:Microtubules / Q000648:ultrastructure*; D011485:Protein Binding; D013552:Swine; D014404:Tubulin
D014404:Tubulin