EMISSARIUM

(Lat.), n. n. Eam(am)-ias-sa(sa3)'ri4-i-u3m(u4m). From emittere, to send forth. Gr., fiiipuf. Fr., emi aire. Ger., Ausfiihrungsgang. An outlet. [L, 31, 50 (a, 14).] E. aqure. See AQUEDUCT of Sylvius. E. condyloideum anterius. A vein which accompanies the hypoglo al nerve through the anterior condyloid foramen and forms a communication between the confluens condyloideus anterior and the occipital sinus, the circular sinus of the foramen magnum, and the jugular vein or the end of the inferior petrosal sinus. [L, 50 (a, 29).J E. condyloideum i>osterius. See E. occipitale inferius. Emi a-. ria durse matris. Fr., emi aires de la dure mere. Ger., Fortidtze der harten Hirnhaut. Prolongations of the dura accompanying the nerves at their emergence from the skull. [L, 50 (a, 14).] E. for am in is lacer i antic i. A vein which forms a communication between the cavernous sinus and the pharyngeal veins. [L, 60 (a, 29).] 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. [L, 50 (a, 29).] E. mastoideum. A vein which pa es through the mastoid foramen to the lateral sinus. [L, 50 (a, 29).] 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. [Krause (a, 29).] 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. [L, 50 (a, 29).] 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. [Krause (a, 29).] E. parietale. A small vein which pa es through the parietal foramen. [Krause (a, 29).] 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. [Krause (a, 29).] [s. 690]