title: Improved isolation of small noradrenergic vesicles from rat seminal ducts following castration. A density gradient centrifugation and morphological study.
mesh_terms: D000818:Animals; D002369:Castration; D002458:Cell Fractionation / Q000379:methods; D002499:Centrifugation, Density Gradient; D008297:Male; D009638:Norepinephrine / Q000032:analysis; D051381:Rats; D013572:Synaptic Vesicles / Q000032:analysis / Q000648:ultrastructure; D014649:Vas Deferens / Q000032:analysis / Q000294:innervation*
chemical_list: D009638:Norepinephrine