Gynaecology & Obstetrics General 6388a2d1 Regarding urogenital diaphragm all are true except A Is also called triangular ligament B Is not so well developed in female as in male C Consists of two layers of fascia through which pass the vagina and urethra D Deep transverse perineal muscle lies external to fascia High-Yield Explanation Deep transverse perineal muscle lies between 2 layers of fascia of urogenital diaphragm.