[The vascular patterns in choroïd tela of the fourth ventricle in dog (Canis familiaris) (author's transl)].

Abstract

The tela choroïdea of the fourth ventricle of the dog is vascularized principally by the principal and accessory caudal cerebellar arteries but also by the middle cerebellar arteries and dorsal network of the medulla oblongata. The choroïdal branches arising from these arteries supply the capillary network of the choroïd plexus. The latter drains towards the sigmoïd sinus, either directly or through the dorsal plexus of the medulla oblongata. The choroïd plexus drains also partially towards the cerebellar veins and the ventral petrosal sinuses.