By Henri M. Duvernoy

This publication offers an total view of the vascularization of the human mind stem. the 1st a part of the e-book issues the superficial ramifications of the arteries and veins, their issues of penetration into the worried tissue or emergence from it and their corresponding territories of distribution into the mind stem. a distinct research of the vascularization of the pineal gland sector is joined to this half. The sedond half describes the high-quality inner vascular community and its correlation with the mind stem apprehensive constitution. ultimately, the vascular territories are in comparison with MRI perspectives of mind stem infarction. This booklet may be of curiosity for all who paintings within the box of neuroscience yet quite neurologists, neurosurgeons and neuroradiologists fascinated about the vascular illnesses within the mind. The vascularization nerves are a 'map'to endoscopic neurosurgeons.

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17), vascularizes the superior cerebellar peduncle (brachium conjunctivum). These arte ries arise from the medial and lateral branches of the superior cerebellar artery Arteries of the mesencephalon: these arteries arise from arterial trunks which curve round the mesencephalon and are, in ascending order, the superior cerebellar (6) (medial (6') and lateral branches (6'')), collicular (19), medial posterior choroidal (20), posterior cerebral (7) and anterior choroidal (9) arteries (see Figs. 17 and 32d).

Unlike the arteries, the veins of the medullary surface are direct and relatively straight (KORITKE et al. 1970) 11. Lateral Groups of Medullary Arteries and Veins The most densely vascularized area of the lateral surface is a hollow, situated posterior to the olive and containing numerous veins and arteries. 1t is bounded by the lower margin of the pons with the roots of the facial and vestibulocochlear nerves, by the cerebellum and the lateral recess of the fourth ventricle, and by the inferior olive (Figs.

The hypoglossal nucleus, which has usually been considered to depend on the anterior group, is also supplied by the lateral group of arteries (Figs. 25, 26 and 27, sections II, III and IV). Its venous drainage depends, in the cranial part of the medulla, on the anteromedial group ofveins (Fig. 27, section IV) and in the caudal part ,on the principallateral and posterior medullary veins (Fig. 24, 25 and 26, sections I, II and III). The vagal nucleus and the nucleus of the solitary tract are vascularized in the caudal part of the medulla by the posterior group of arteries and veins(Figs.

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