The rostral and caudal epidural rete mirabile and its blood supply source in wild boar (Sus scrofa scrofa)

Este trabalho visou descrever e sistematizar, no javali, as fontes que supriram as redes admiráveis epidurais rostrais e caudais (RAER e RAEC) responsáveis pela irrigação do encéfalo. Foram coletadas 32 cabeças, das quais 30 foram injetadas com látex 603, e duas com resina odontológica, pelas artérias carótidas comuns. A artéria (A.) carótida comum dividiuse nas artérias carótidas interna e externa. A A. carótida interna emitiu as artérias: occipital e condilar, ramificando-se na formação da RAER, como sua principal fonte. A A. carótida externa continuou-se como A. maxilar, que emitiu as artérias meníngea média e oftálmica externa, as quais cooperaram com ramos para a RAER. As redes rostrais anastomosaram-se em rede, formando um “H”, e delas confluíram as artérias carótidas do cérebro. Cada RAEC foi constituída principalmente pela A. occipital, com cooperação das artérias condilar e vertebral, e originaram a A. basilar.This work aims to describe and systematize, in the wild boar, the sources that supply the rostral and caudal epidural rete mirabile, responsible for the encephalon irrigation. 32 wild boar heads were used, 30 of them injected with latex 603, and the other 2 injected with odontological resin through the common carotid arteries. The common carotid artery divided into the internal and external carotid arteries. The internal carotid artery emitted the occipital and the condilar arteries and branched to form the rostral epidural rete mirabile, as its main source. The external carotid artery continuing as the maxillary artery from which emerge the middle meningeal artery and the external ophthalmic artery that cooperate with branches to the rostral epidural rete mirabile. The right and the left rostral rete mirabilis anastomosed to each other forming a net, that seems like an “H”, and from them the brain carotid arteries were originated. The right and the left caudal epidural rete mirabilis were mainly formed by the occipital artery with the cooperation of the condilar and the vertebral arteries and originating the basilar artery