Tympanocentesis is the drainage of fluid from the middle ear by using a small-gauge needle to puncture the tympanic membrane, also known as the eardrum. It is sometimes referred to as a `tap` and, when conducted twice as part of a clinical trial of medication, a `double tap.` ...
Puncture of the tympanic membrane with a needle to aspirate middle ear fluid. ... Origin: tympano-+ G. Kentesis, puncture ... (05 Mar 2000) ... 
(tim″pә-no-sen-te´sis) myringotomy.
Type: Term Pronunciation: tim′pă-nō-sen-tē′sis Definitions: 1. Puncture of the tympanic membrane with a needle to aspirate middle ear fluid.
tympanocentesis 1. A surgical puncture of the tympanic membrane for removal of fluid from the middle ear. 2. Puncture of the tympanic membrane with a needle to aspirate middle ear fluid.