ventral surface of the brain stem Midbrain Crus cerebri大脑脚底 interpeduncular fossa脚间窝 oculomotor nerves动眼神经 emerge from medial of crus cerebri Posterior perforated substance后穿质
Crus cerebri 大脑脚底 Interpeduncular fossa 脚间窝 oculomotor nerves 动眼神经 emerge from medial of crus cerebri ventral surface of the brain stem Midbrain Posterior perforated substance 后穿质
dorsal surface of the brain stem 脑干背面 Medulla oblongata Gracile tubercle薄束结节 overlying gracile nucleus Cuneate tubercle楔束结节: overlying cuneate nucleus Inferior cerebellar peduncle 小脑下脚
Gracile tubercle 薄束结节: overlying gracile nucleus Cuneate tubercle 楔束结节: overlying cuneate nucleus Inferior cerebellar peduncle 小脑下脚 dorsal surface of the brain stem 脑干背面 Medulla oblongata
dorsal surface of the brain stem 脑干背面 Pons Superior cerebellar peduncle小脑上脚□ Superior medullary veum上髓帆
◼ Superior cerebellar peduncle 小脑上脚 ◼ Superior medullary velum 上髓帆 dorsal surface of the brain stem 脑干背面 Pons
dorsal surface of the brain stem 脑干背面 Midbrain Superior colliculus上丘 centers of visual flexes视觉反射中枢 Inferior colliculus下丘 conduct auditory sensation传导听觉 Trochlear nerve滑车神经 Brachium of superior colliculus 上丘臂 Brachium of inferior colliculus 下丘臂
Superior colliculus 上丘 centers of visual flexes 视觉反射中枢 Inferior colliculus 下丘 conduct auditory sensation 传导听觉 Trochlear nerve 滑车神经 dorsal surface of the brain stem 脑干背面 Midbrain Brachium of superior colliculus 上丘臂 Brachium of inferior colliculus 下丘臂
dorsal surface of the brain stem rhomboid fossa菱形窝 Boundaries Superolateral: superior cerebellar peduncle 小脑上脚 Inferolateral gracile tubercles薄束结节 cuneate tubercles楔束结节 inferior cerebellar peduncle 小脑下脚 Lateral recess外侧隐窝
Inferolateral: gracile tubercles 薄束结节 cuneate tubercles 楔束结节 inferior cerebellar peduncle 小脑下脚 Boundaries rhomboid fossa 菱形窝 Superolateral: superior cerebellar peduncle 小脑上脚 Lateral recess 外侧隐窝 dorsal surface of the brain stem