obturator foramen 闭孔
obturator externus 闭孔外肌
obturator internus 闭孔内肌
obturator n. 闭孔神经
occipital a. 枕动脉
occipital lobe 枕叶
occipital sinus 枕窦
oculomotor n. (皿)动眼神经
olfactory n. (I) 嗅神经
olecranon of ulna 尺骨鹰嘴
olecranon process 鹰嘴突
olecranon fossa 鹰嘴窝
omental foramen 网膜孔
omohyoid 肩胛舌骨肌
optic disc 视盘
optic n.(I) 视神经
oral fissure 口裂
orbicularis oculi 眼轮匝肌
ophthalmic a. 眼动脉
optic chiasma 视交叉
optic n. 视神经
optic tract 视束
orbicularis oris m. 口轮匝肌