emissarium (em-is-sa're-um)

An outlet. e. condyloideum anterius. A vein which accompanies the hypoglo al nerve through the anterior condyloid foramen. emi aria durae matris. Prolongations of the dura accompanying the nerves at their emergence from the skull, e. for am in is lacer i antic i. A vein which forms a communication between the cavernous sinus and the pharyngeal veins. e. for am in is oval is. A vein which pa es through the foramen ovale and connects the cavernous sinus with the internal maxillary plexus, e. mastoideum. A vein which pa es through the mastoid foramen to the lateral sinus, e. occipitale. A small vein which pa es through the foramen condyloideum poster i us and unites the transverse sinus with the plexus vertebral is cervical is. e. occipitale inferius. A vein which pa es through the foramen condyloideum poster i us connecting the transverse sinus with the plexus vertebral is cervical is. e. occipitale super i us. A vein of the diploe of the occipital bone which opens into the torcular Hero phil i by a foramen in the internal occipital protuberance, or into the transverse sinus, or externally into an occipital vein through the external occipital protuberance, e. parietale. A small vein which pa es through the parietal foramen, emi aria Sant or in i. Communications between the sinuses or veins of the meninges and the veins of the outer surface of the skull. [Lat., e, from, + mittere, to send.]