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Metoidioplasty or metaoidioplasty (informally called a meto or meta) is a female-to-male sex reassignment surgery.〔(Metoidioplasty: a variant of phalloplasty in female transsexuals ) by S.V. Perovic and M.L. Djordjevic (BJU International, Volume 92 Issue 9, December 2003)〕 Testosterone replacement therapy gradually enlarges the clitoris to an average size of 4–5 cm (1.6–2 in)〔(Physical and hormonal evaluation of transsexual patients: A longitudinal study ) by Meyer W, et al. (Archives of Sexual Behavior, Volume 15, Number 2, April 1986)〕 (as the clitoris and the penis are developmentally homologous). In a metoidioplasty, a surgeon separates the enlarged clitoris from the labia minora, and severs its suspensory ligament in order to lower it to the approximate position of the penis. ==Comparison with phalloplasty== Metoidioplasty is technically simpler than phalloplasty, costs less, and has fewer potential complications. However, phalloplasty patients are far more likely to be capable of sexual penetration after they recover from surgery. In a phalloplasty, the surgeon fabricates a neopenis by grafting tissue from a donor site (such as from the patient's arm or leg). A phalloplasty takes about 8–10 hours to complete, and may be followed by a second surgery to implant an erectile prosthesis. Metoidioplasty typically requires 2–3 hours to complete. Because the clitoris' erectile tissue functions normally, a prosthesis is unnecessary for erection (although the clitoris might not become as rigid as a penile erection). In nearly all cases, metoidioplasty patients can continue to have clitoral orgasms after surgery. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Metoidioplasty」の詳細全文を読む スポンサード リンク
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