RT Book, Section
A1 Chandrasoma, Parakrama
A1 Taylor, Clive R.
SR Print(0)
ID 187890
T1 Chapter 32. The Ear, Nose, Pharynx, & Larynx
T2 Concise Pathology, 3e
YR 1998
FD 1998
PB The McGraw-Hill Companies
PP New York, NY
SN 9780838514993
LK accessphysiotherapy.mhmedical.com/content.aspx?aid=187890
RD 2024/04/19
AB The  ear  (Figure  32-1)  is  divided  into  (1)  the  external  ear;  (2)  the  middle  ear,  which  is  separated  from  the  external  auditory  meatus  by  the  tympanic  membrane  and  is  in  communication  anteriorly  with  the  pharynx  via  the  auditory  tube  (eustachian  tube)  and  posteriorly  with  the  mastoid  air  cells;  and  (3)  the  inner  ear,  consisting  of  the  semicircular  canals,  which  are  part  of  the  vestibular  system,  and  the  cochlea,  which  is  the  hearing  sense  organ.  The  vestibular  and  auditory  nerves  arise  in  the  inner  ear  and  pass  to  the  brain  stem  in  the  internal  auditory  meatus.