Answer
Among the accessory male sex glands, the seminal vesicles secretes most of the seminal fluid.
Work Step by Step
The seminal vesicles, the prostate and the bulbouretheral glands all contribute secretions to the seminal fluid. The seminal vesicles contribute about 60% of the volume; the prostate adds about 25% of the volume;the bulboutheral glands contributes very little, by volume.
