1、The medical college of shandong universityThe transverse section of cranium and MRI2021/9/301 The basic knowledge of cranial anatomy2021/9/302The brainTelencephalon DiencephalonCerebellum Brain stem 2021/9/303The brain stem Consists of Midbrain Pons Medulla oblongata2021/9/304Medulla oblongataVentra

2、l surfacePyramid: contain corticospinal tractDecussation of pyramid: formed by crossing fibers of corticospinal tractOlive: produced by underlying inf.olivary nucleusAnterolateral sulcus: rootlets of hypoglossal N. Retroolivary sulcus: rootlets of glossopharyngeal N.vagus N.accessory N.2021/9/305Med

3、ulla oblongataDorsal surfaceGracile tubercle: produced by underlying gracile nucleusCuneate tubercle: marks the site of cuneate nucleusInf.cerebellar peduncle Obex2021/9/306 PonsVentral surfaceBasilar partBasilar sulcusBulbopontine sulcus : Abducent N. facial N. vestibulocochlear N. Middle cerebella

4、r peduncleTrigeminal N.Pontocerebellar trigone : the junction of medulla, pons and cerebellum2021/9/307 PonsDorsal surfaceSup. cerebellar peduncleSup. medullary velumTrochlear N.2021/9/308 MidbrainVentral surfaceCrus cerebriInterpeduncular fossa Oculomotor N.emerge from medial of crus cerebriPos.per

5、forated substance2021/9/309 MidbrainDorsal surfaceSup. colliculus visual reflexesInf.colliculus associated with auditory pathwayBrachium of sup. colliculiBrachium of inf.colliculi2021/9/3010The characters of internal structure of brain stem2021/9/3011Medulla oblongataLower part (closed part) : Two d

6、ecussations Decussationsof pyramid2021/9/3012Decussations of medial lemniscus2021/9/3013Medulla oblongataUpper part (open part) Appearance :inf.olivary nuculeus inf. cerebellar peduncle Enlargement of central canal to form the 4th ventricle floor2021/9/3014Pons Tegmentum of pons directed upward cont

7、inuation of medulla oblongataBasilar part contain both longitudinal and transverse fibers intermixed with pontine nuclei2021/9/3015Midbrain Rectum of midbrain: includes sup.and inf.colliculiCerebral peduncleTegmentum : contain ascending tracts, central gray matter, recticular formation and so on 202

8、1/9/3016Substentia nigraCrus cerebri : Pyramidal tract middle 3/5 of the crus:Frontopontine tractmedial medial 1/5: pariatotempopontine tract lateral1/52021/9/3017The basilaris of brain2021/9/3018The basilaris of brain specimen 2021/9/3019The basilaris of brain specimen 2021/9/3020The transverse sec

9、tion through optic chiasma2021/9/3021The transverse scan of MRI through optic chiasma2021/9/3022the visual pathway2021/9/3023The lateral view of brain2021/9/3024The lateral view of brain2021/9/3025The lateral view of brain specimen2021/9/3026The superior view of brain specimen2021/9/3027The superior

10、 view of brain specimen2021/9/3028The superior view of dura mate2021/9/30292021/9/3030The medial surfice of cerebral hemisphere2021/9/30312021/9/30322021/9/3033the ventricular system2021/9/3034The cranial sinuses and cistern2021/9/3035The cranial N.of base of skull2021/9/3036the coronal section thro

11、ugh posterior cranial fossa2021/9/3037The cranial nerves2021/9/3038 The thansvers section of cranium2021/9/3039The transverse section through superior agittal sinus 2021/9/3040The transverse section through sup. part of paracentral gyrus 2021/9/3041The transverse section through sup. extremity of parietooccipital sulcus2021/9/3042The transverse section through inf.part of paracentral gyrus2021/9/3043 The transverse section through semioval center2021/9/3044The transverse section through bulbopontine sulcus 2021/9/3045The transverse section through hypoglossa