title: Origin of myelinated nerves in the rat iris.
mesh_terms: D000818:Animals; D003714:Denervation; D007498:Iris / Q000294:innervation*; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000648:ultrastructure; D009410:Nerve Degeneration; D009413:Nerve Fibers, Myelinated / Q000648:ultrastructure*; D010275:Parasympathetic Nervous System / Q000033:anatomy & histology; D051381:Rats; D013564:Sympathetic Nervous System / Q000033:anatomy & histology; D014276:Trigeminal Nerve / Q000648:ultrastructure