title: Sympathohippocampal neurons are inside the blood--brain barrier.
mesh_terms: D000818:Animals; D001812:Blood-Brain Barrier; D002395:Catecholamines / Q000032:analysis; D002831:Choroid Plexus / Q000502:physiology; D005728:Ganglia, Sympathetic / Q000502:physiology; D006624:Hippocampus / Q000502:physiology*; D008297:Male; D008856:Microscopy, Fluorescence; D009474:Neurons / Q000502:physiology*; D051381:Rats; D013194:Staining and Labeling; D013564:Sympathetic Nervous System / Q000502:physiology*
chemical_list: D002395:Catecholamines