阴道的形状与功能旧谚说:“男主外,女主内”。凑巧这外生殖器也就这么长着,阴道就是一个向内凹进去的管道,内端通着腹腔,外端暴露于外面。但它却不是一个圆筒状,即便盆浴,水也进不去。未婚未育的妇女,阴道的前后壁是紧贴着的,密闭的。阴道的横断面呈“H”状,中间一横是阴道的前后壁,紧贴着,左右两竖是两侧壁的缝。但是经阴道分娩过的女性,阴道经过扩张后,一般就回复不了原形,贴得不够紧 The shape and function of the vagina Old saying: “male leader, female advocate within ”. Coincidentally genital genitals also so long, the vagina is a concave inward pipe, the inner end of the abdominal cavity, the outer end exposed to the outside. But it is not a cylinder, even if the bath, water can not get in. Unmarried women who have not yet, the vagina before and after the wall is close to the confined. Vaginal cross-section was “H ” shape, the middle of a cross is the vagina before and after the wall, close to the left and right vertical is the seam on both sides of the wall. However, women who have vaginal delivery, the vagina after expansion, the general can not reply to the original shape, the paste is not tight enough