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.
Mastoidectomy is a surgical procedure to remove an infected portion of the bone behind the ear when medical treatment is not effective. This surgery is rarely needed today because of the widespread use of antibiotics.