脑干外形课件
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一、脑干
脑干 brain stem 是位于脊髓和间脑之间的较小部分,自下而上由延髓、脑桥和中脑组成。脑干位于颅后窝前部,其中延髓和脑桥的腹侧邻接枕骨斜坡,背面与小脑相连。延髓、脑桥和小脑之间围成的腔隙为第四liculus 合称四叠体 corpora quadrigemina
下丘臂
brachium of inferior colliculus上丘臂
brachium of superior colliculus
脑干背侧面的外形
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大脑水管:
向下与第四脑室相通
第四对脑神经出脑:
上髓帆上方与中脑交界处(菱脑峡) IV 滑车神经根
惟一自脑干背面出脑的脑神经
脑干背侧面的外形
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BRAIN (Left)
(Mid Sagittal View)
Pons
Medulla
Midbrain
Cerebellum
Thalamus
Spinal
Cord
Cerebrum
Brainstem
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Septum
Pellucidum
Tectum
Hypothalamus
Dorsal
Thalamus
= Hypothalamic
Sulcus
Tegmentum
Basilar
Pons
Pyramid
Cerebral
Peduncle
Fornix
BRAIN (Left)
(Mid Sagittal View)
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BRAIN
(Temporal Lobes Pulled Laterally)
BRAIN
(Anterior View)
Medulla
Pons
Midbrain
Thalamus
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BRAIN
(Temporal Lobes Pulled Laterally)
BRAIN
(Anterior View)
Cerebral
Peduncle
Interpeduncular
Fossa
Optic
Tract
Uncus
Infundibuluar
Stalk
Anterior
Perforated
Substance
Posterior
Perforated
Substance
Flocculus
(Of Cerebellum)
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BRAINSTEM
BRAINSTEM
(Anterior View)
Olive
Basilar Sulcus
(For Basilar Artery)
Pyramid
Anterior Median
Fissure
Pyramidal
Decussation
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BRAIN
(Inferior View)
Optic Tract
Optic Nerve
Optic Chiasm
Infundibular Stalk
Mammillary Body
Medial Olfactory Stria
Lateral Olfactory Stria
Olfactory Tract
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I
I OLFACTORY
Fila Olfactoria
CRANIALNERVES
BRAIN
(Anterior View)
CEREBRUM
(I)
ORIGIN
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II
III
IV
V
VI
VII
VIII
IX
X
XI
XII
II OPTIC
(CNS Tract)
CRANIAL NERVES
(continued)
III OCULOMOTOR
IV TROCHLEAR
V TRIGEMINAL
VI ABDUCENS
VII FACIAL
VIII VESTIBULO-
COCHLEAR
IX GLOSSOPHARYNGEAL
X VAGUS
XI SPINAL ACCESSORY
XII HYPOGLOSSAL
ORIGIN
BRAINSTEM
(Anterior View)
MIDBRAIN
(III, IV)
PONS
(V, VI, VII)
MEDULLA
(IX, X, XII)
Pontomedullary Jct.
(VIII)
THALAMUS
(II)
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BRAINSTEM
BRAINSTEM
(Anterior View)
Postolivary Sulcus
(CN. IX, X)
Preolivary Sulcus
(CN. XII)
Inferior Pontine
Sulcus
(CN. VI, VII, VIII)
Choroid Plexus
(Protruding from Lateral
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