背髓网状结构dorsal medullary reticular formation
足背外侧皮神经lateral dorsal cutaneous nerve of foot【解剖】;nervus cutaneus dorsalis lateralis pedis【解剖】
背索上行束ascending dorsal funiculus tract
胃背系膜dorsal mesogastrium
背血管dorsal vessel
背胰芽dorsal pancreatic bud
背鳍起点original dorsal fin
籽粒背部维管束grain dorsal vascular bundle