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.
Mastoid operation. A mastoidectomy is a surgical procedure designed to remove infection in the bone behind the ear (mastoid bone). Its purpose is to create a âsafeâ ear and prevent further damage to the hearing apparatus.Mastoidectomy is often indicated for other diseases that spread to the mastoid bone, such as cholesteatoma.Cholesteatoma is an abnormal skin growth in the middle ear behind the eardrum. Repeated infections and/or and a tear or retraction of the eardrum can cause the skin to form an expanding sac. mastoidectomy is a surgical procedure designed to remove infection in the bone behind the ear (mastoid bone). Its purpose is to create a âsafeâ ear and prevent further damage to the hearing apparatus. Mastoidectomy is often indicated for other diseases that spread to the mastoid bone, such as cholesteatoma.