bowl

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bowl

(bōl) a rounded, more or less hemispherical open container.
mastoid bowl , mastoidectomy bowl the hollow bony defect in the temporal bone created by open mastoidectomy.
References in periodicals archive ?
Seventy eight percent of patients in Al Mayaly's, (6) study had granulation tissue in the mastoid resulting in continuous drainage from the mastoid bowl.
Surgeons should pay attention to complete clearance of disease, creation of a smooth round cavity, lowering of the facial ridge adequately, seal the middle ear from the mastoid bowl by reconstructing the tympanic membrane with a connective tissue graft and create a wide meatus to achieve a dry ear.