Assertion: seminal vesicle's substance | /r/CapableOf | activate the sperm
Facets:
Source sentences:
text: each of a pair of glands that open into the vas deferens near its junction with the urethra and secrete many of the components of semen // located at the base of the bladder, produce 60 percent of the fluid volume of semen; produce a thick, yellowish secretion is rich in sugar (fructose), vitamin C, prostaglandins,, and other substances which nourish and activate the sperm passing through the tract