| emissarium occipitale | <anatomy, vein> An inconstant vessel perforating the squama of the occipital bone to connect the occipital veins with the confluens sinuum. Synonym: vena emissaria occipitalis, emissarium occipitale. (05 Mar 2000) |
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| planum occipitale | The external surface of the occipital bone above the superior nuchal line. Synonym: planum occipitale. (05 Mar 2000) |
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| os occipitale | The bone forming the rear (and rear bottom) of the skull. (12 Dec 1998) |
| emissarium | Synonym: emissary vein. Origin: L. An outlet, fr. E-mitto, pp. -missus, to send out (05 Mar 2000) |
| emissarium condyloideum | <anatomy, vein> A vein that connects the sigmoid sinus and the external vertebral venous plexuses through the condylar canal of the occipital bone. Synonym: vena emissaria condylaris, emissarium condyloideum. (05 Mar 2000) |
| emissarium mastoideum | <anatomy, vein> The vein that connects the sigmoid sinus with the occipital vein or one of the tributaries of the external jugular vein by way of the mastoid foramen. Synonym: vena emissaria mastoidea, emissarium mastoideum. (05 Mar 2000) |
| emissarium parietale | <anatomy, vein> The vein that connects the superior sagittal sinus with the tributaries of the superficial temporal vein and other veins of the scalp. Synonym: vena emissaria parietalis, emissarium parietale, Santorini's vein. (05 Mar 2000) |