Learner's definition of QUARRY. 1. : to dig or take (stone or other materials) from a quarry. â often used as (be) quarried. [+ object]. Limestone is quarried in this area. The stone used for these buildings was quarried from a nearby site.
The mastoid process is a conical prominence projecting from the undersurface of the mastoid portion of the temporal bone.It is located just behind the external acoustic meatus, and lateral to the styloid process.he mastoid process is a conical prominence projecting from the undersurface of the mastoid portion of the temporal bone.
Depending on the specific condition in patientâs ear, an operation on the mastoid bone to control infection may be done, together with a procedure to restore hearing. This procedure is called a tympanomastoidectomy. The mastoid is a honeycomb cavity in the temporal bone, which lies directly behind the ear and is connected to the middle ear space. When a hole arises in the eardrum due to previous injury or infection, or when a long-standing infection persists with tissue in the middle ear or mastoid, mastoid surgery often becomes necessary to alleviate this infection. This part of the procedure is called mastoidectomy. The procedure used to restore or retain hearing is called a tympanoplasty. âTympanumâ refers to the middle ear cavity; âplastyâ means ârepair ofâ; thus âtympanoplasty.â