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本文观察了110例成人脑标本的延髓外部动脉;采用动脉X线造影法和透明法,在20例人脑标本上观察了延髓内部动脉的形态和供应。将延髓表面分为四区,供应各区的外部动脉可分为相应的4群。前正中群和前外侧群动脉主要来自脊髓前动脉,前正中群动脉供应舌下神经核、内侧丘系及部分锥体束等中缝两侧结构;前外侧群动脉供应大部分锥体束;外侧群动脉来自椎动脉、小脑下后动脉、基底动脉和小脑下前动脉,主要供应网状结构、脊髓丘脑束、三叉神经脊束及核、迷走神经背核等;后群动脉来自脊髓后动脉和小脑下后动脉,主要供应薄、楔束核等。本文还讨论了延髓外侧区的血液供应及“终动脉”等问题。
In this paper, we observed the medulla oblongata arteries in 110 adult brain specimens. The morphology and supply of the medulla oblongata were observed in 20 human brain specimens by arterial X-ray and transparent method. The medulla oblongata surface is divided into four areas, the supply of external arteries in each area can be divided into the corresponding 4 groups. The anterior group and anterolateral group arteries mainly from the anterior spinal cord artery, the anterior group of the middle artery supply the hypoglossal nucleus, the medial mound and part of the pyramidal tract and other structures on both sides of the mid seam; anterolateral group of the anterior group supply most of the pyramidal tract; lateral The arteries originate from the vertebral artery, the posterior inferior cerebellar artery, the basilar artery and the anterior inferior cerebellar artery, and mainly supply the reticular formation, the spinothalamic tract, the trigeminal nerve bundle and nucleus, the vagal dorsal nucleus, etc. The posterior group arteries originate from the posterior spinal cord artery and the cerebellum The posterior arteries, the main supply of thin, wedge beam nuclear. This article also discusses the medullary medullary blood supply and the “terminal artery” and other issues.