That's why biologists initially believed that the development of the clitoris was caused by the huge quantities of testosterone to be found in the fetus. If so, tool use in great apes may be older than we thought, reaching back at least 5 million years to the common ancestor of chimps, bonobos and humans. The thin corpus spongiosum of the penis runs along the underside of the penile shaft, enveloping the urethra, and expands at the end to form the glans. A Erect human penis.
Female mouse external genitalia skin with neural mesh shows nerve endings in stroma under epithelium arrows A and sensorial corpuscle arrow in genital skin stroma B. The laminar arrangement of the columns in the dorsal funiculus indicates that the medial portion of the gracile fasciculus is associated with the lumbosacral spinal cord. Retrieved 28 November From Cells to Society. In other projects Wikimedia Commons.
Wingfield, John C Clitoromegaly or macroclitoris  is an abnormal enlargement of the clitoris that is mostly congenital or acquired, though deliberately induced clitoris enlargement as a form of female genital body modification is achieved through various uses of anabolic steroids, including testosterone , and may also be referred to as clitoromegaly. Navigation Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store. Communication Perspectives and Promises. Sheyla Hershey Silke Spiegelburg should hold a sex world record Silke Spiegelburg should hold a sex world record. IMPACT Reclaim Project Zero Good News. Animals and the Nature of Feeling Good.