腹主動(dòng)脈末端分支為左右髂總動(dòng)脈。左右髂總動(dòng)脈分叉的角度在30°~90°,平均約60°。左右髂總動(dòng)脈干長(zhǎng)短并不對(duì)稱,大多數(shù)左髂總動(dòng)脈干較右側(cè)長(zhǎng),少數(shù)為右髂總動(dòng)脈長(zhǎng)于左側(cè)或兩側(cè)等長(zhǎng)。一般髂總動(dòng)脈干長(zhǎng)度約4.3cm,變異時(shí)可見(jiàn)過(guò)長(zhǎng) (共 504 字) [閱讀本文] >>