Wow, you know me better than I thought. Actually, the Vulcan prostate is the size of an avacado, to accommodate the larger proportions of the remaining corresponding anatomy relative to that found n the males on your native planet. This is the result of the high Iodine levels in our Vulcan soil. The Vulcan prostate is quite green, as you have correctly asserted, and the remainder of the pluming is the same.