It usually gives off abnormal communicating branches, which should be evaluated before embolismic operation of maxillary artery.

眼动脉起源存在变异及异常交通支，在行上颌动脉栓塞前要评估是否存在这些变异。

The nerve preramus L4 , the femoral nerve, the obturator nerve and the communicating branch are liable to injury in the front of the ligamentum iliolumbale.

L4神经前支、股神经、闭孔神经和交通支在髂腰韧带前方易损伤。