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一、问答题 (一)1.入口平面:即真假骨盆的交界面,其前方以耻骨联合,两侧以骼耻线,后方以骶岬为界。2.骨盆最大面:即骨盆中上段平面,前为耻骨联合后面中点,两侧相当于髋臼中心,后为第二、三骶椎之间为骨盆腔内最宽大部分。3.骨盆最小平面:即中骨盆平面最狭窄,其前为耻骨联合下缘,两侧为坐骨棘,后为骶骨下端。4.出口平面:即骨盆腔下口,由两个在不同平面的三角形所组成,前三角的顶端是耻骨联合下缘,两侧是耻骨降支,后三角的顶端是骶尾关节,两侧为骶结节韧带。 (二)1.子宫:促使子宫发育,增加子宫平滑肌对催产素的敏感性。2.子宫内膜:使子宫内膜增生。
First, the Q & A (a) 1. Entrance Plane: that is, the interface between true and false pelvis, pubic symphysis in front of it, on both sides of the stigma line, the rear to the sacral promontory. 2. The largest pelvis pelvis: the pelvis in the upper section of the plane, before the pubic symphysis midpoint, on both sides of the center of the acetabulum, after the second, between the three sacral vertebrae for the widest part of the pelvic cavity. 3. Pelvic minimal plane: the narrowest in the pelvic plane, the former for the pubic symphysis lower edge, sciatic spines on both sides, after the sacrum. 4. The exit plane: the pelvic cavity mouth, consists of two triangles in different planes, the top of the triangle is the lower edge of the pubic symphysis, both sides of the pubis descending branch, the top of the posterior triangle is the sacrococcygeal joint, both sides Sacral nodular ligament. (B) 1. Uterus: to promote uterine development, increase uterine smooth muscle sensitivity to oxytocin. 2. Endometrium: endometrial hyperplasia.