顱腦的橫斷層解剖(上)斷層解剖學(xué)精品(編輯修改稿)
2025-06-22 22:06 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 y ? Brachium of sup. colliculi ? Brachium of inf. ? colliculi The characters of internal structure of brain stem Medulla oblongata Lower part (closed part) : Two decussations Decussationsof pyramid Decussations of medial lemniscus Medulla oblongata Upper part (open part) ? Appearance : ? nuculeus ? inf. cerebellar peduncle Enlargement of central canal to form ? the 4th ventricle floor Pons ? Tegmentum of pons directed upward continuation of medulla oblongata ? Basilar part contain both longitudinal and transverse fibers intermixed with pontine nuclei Midbrain ? Rectum of midbrain: includes ? Cerebral peduncle – Tegmentum :
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