Reduction of the fertilizing capacity of sea urchin sperm by cannabinoids derived from marihuana. I. Inhibition of the acrosome reaction induced by egg jelly.


delta 9-Tetrahydrocannabinol (THC) and two other major cannabinoids derived from marihuana--cannabidiol (CBD) and cannabinol (CBN)--inhibit fertilization in the sea urchin Strongylocentrotus purpuratus by reducing the fertilizing capacity of sperm (Schuel et al., 1987). Sperm fertility depends on their motility and on their ability to undergo the acrosome… (More)


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