title: Ultrastructure of the rat neurohypophysis during the annual cycle.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D004721:Endoplasmic Reticulum; D006056:Golgi Apparatus; D006651:Histocytochemistry; D008297:Male; D008854:Microscopy, Electron; D009474:Neurons / Q000166:cytology; D010904:Pituitary Gland, Posterior / Q000166:cytology* / Q000378:metabolism; D051381:Rats; D012621:Seasons; D014667:Vasopressins / Q000378:metabolism
chemical_list: D014667:Vasopressins