| os occipitale | The bone forming the rear (and rear bottom) of the skull. (12 Dec 1998) |
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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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| 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) |