山东大学：《神经解剖学》课程教学资源（PPT课件讲稿）脑干 The brain stem

The brain stem 囟干

The brain stem 脑 干

The brain stem midbrain中脑 pons脑桥 medulla oblongata延髓 ● Bulbopontine sulcus 延髓脑桥沟

The brain stem midbrain 中脑 pons 脑桥 medulla oblongata 延髓 ⚫Bulbopontine sulcus 延髓脑桥沟

ventral surface of the brain stem Medulla oblongata Pyramid锥体: contain pyramidal tract (corticospinal tract) Decussation of pyramid锥体交叉 formed by crossing fibers of corticos pinal tract oive橄榄: overlying inferior olivary nucleus下橄榄核 hypoglossal nerve舌下神经 emerge from anterolateral sulcus Glossopharyngeal n. emerge from vagus n. retroolivary sulcus accessory n 橄榄后沟

ventral surface of the brain stem Pyramid 锥体: contain pyramidal tract (corticospinal tract) Decussation of pyramid 锥体交叉 formed by crossing fibers of corticospinal tract emerge from retroolivary sulcus 橄榄后沟 Medulla oblongata hypoglossal nerve 舌下神经 emerge from anterolateral sulcus Glossopharyngeal n. vagus n. accessory n. Olive 橄榄: overlying inferior olivary nucleus下橄榄核

ventral surface of the brain stem Pons Basilar part基底部 Basilar sulcus基底沟 Bulbopontine sulcus 延髓脑桥沟: from medial to lateral abducent,n展神经 facial n vestibulocochlear n.前庭蜗神经

Basilar part 基底部 Basilar sulcus 基底沟 ventral surface of the brain stem Pons Bulbopontine sulcus 延髓脑桥沟: from medial to lateral, abducent, n 展神经 facial n. vestibulocochlear n. 前庭蜗神经

ventral surface of the brain stem Pons Middle cerebellar peduncle小脑中脚, Trigeminal nerve三叉神经 Pontocerebellar trigone 脑桥小脑三角 the junction of medulla, pons and cerebellum

ventral surface of the brain stem Pons Middle cerebellar peduncle 小脑中脚 Trigeminal nerve 三叉神经 Pontocerebellar trigone 脑桥小脑三角: the junction of medulla, pons and cerebellum

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