part of part of develops from develops from temporal bone tympanic ring zone of bone organ tympanic plate http://upload.wikimedia.org/wikipedia/commons/9/96/Gray137.png TODO distinguish ecto- and ento- tympanics SCTID:138773005 consider merging with tympanic ring. See discussion page on wikipedia page for ectotympanic tympanic part of temporal bone Wikipedia:Tympanic_part_of_the_temporal_bone tympanic bone ectotympanic bone ectotympanic pars tympanica (os temporale) FMA:52880 pars tympanica ossis temporalis tympanic part The tympanic part of the temporal bone is a curved plate of bone lying below the squama and in front of the mastoid process. pars tympanica UBERON:0010066