A specific kind of noradrenaline granules in the vesicular gland and the vas deferens of the bull.
D000818:Animals; D002417:Cattle; D008297:Male; D009638:Norepinephrine / Q000032:analysis*; D012669:Seminal Vesicles / Q000032:analysis*; D014649:Vas Deferens / Q000032:analysis*
D009638:Norepinephrine