dorsalia背片dorsaladj.(动物）背的；背部的；背侧的Dorsal surface of thumb拇指背面dorsal artery of tongue舌背动脉, 舌动脉舌背支dorsal hypothecal plate下壳背板dorsal feverish of hand手背热dorsal metacarpal veins掌背静脉dorsal abdominal muscle腹背肌Dorsal tarsal ligaments跗骨背侧韧带dorsal surfaces of toes足趾背面dorsal mediastinum part纵隔后部dorsal digital arteries指背动脉, 趾背动脉

1. There are usually no dorsal pores in the first few intersegmental grooves.
   身体前几个节间沟内经常无背孔。