title: Exohypothalamic axons of the classic neurosecretory system and their synapses.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D001921:Brain / Q000648:ultrastructure; D006651:Histocytochemistry; D008856:Microscopy, Fluorescence; D009490:Neurosecretory Systems / Q000648:ultrastructure*; D013194:Staining and Labeling; D013569:Synapses / Q000648:ultrastructure*