我们在准备教学标本时遇到一例男性婴儿具有马蹄肾。本例左肾和右肾的下端互相融合成明显的马蹄形。位于腹后壁,左肾上端平第十二胸椎上缘,右肾上端平第一腰椎上缘,两肾下端在腹主动脉与下腔静脉之前,肠系膜下动脉之后,平第四腰椎下缘及第五腰椎上缘,融互相合成峡部(附图)。它分上下两缘,前 One of the male infants we encountered had horseshoe kidney when preparing their teaching specimens. In this case, the lower ends of the left and right kidneys merge into distinct horseshoes. Located in the ventral posterior wall, upper left of the left flat thirteenth thoracic margin, the upper right of the right upper first flat lumbar edge, the lower end of both kidneys in the abdominal aorta and inferior vena cava, after the inferior mesenteric artery, flat lower edge of the fourth lumbar And the upper edge of the fifth lumbar, financial synthesis of isthmus (with photos). It points up and down the two fronts, before