title: Proceedings; Electron microscopy of endocrine structures in the rabbit pineal gland.
mesh_terms: D000818:Animals; D008854:Microscopy, Electron; D010275:Parasympathetic Nervous System / Q000601:surgery; D010870:Pineal Gland / Q000648:ultrastructure*; D011817:Rabbits; D013562:Sympathectomy