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| Description: This schematic shows a possible explanation of the interacting excitatory effects of pheromones, genital stimulation, and estradiol and progesterone on female sexual behavior.
Picture Stats: Views: 669 Filesize: 124.71kB Height: 754 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=21523 |