THE MIDDLE EAR, DRUM, OR TYMPANUM 



1131 



POSTERIOR TYMPANO- FLACCID PORTION OF 

 MALLEOLAR FOLD M EM BR A N A TYM PAN I 



POSTERIOR 



TYMPANIC 



SPINE 



MARGIN OF 



MEMBRANA 



TYMPANI 



OR LIMBUS 



MALLEOLAR 



PROMINENCE: 



NOTCH OF 

 RIVINUS 



ANTERIOR 

 TYMPANO- 

 MALLEOLAR 

 FOLD 



HANDLE OF 

 MALLCOLUS 

 SEEN THROUGH 

 MEMBRANE 



TENSE PORTION 

 OF MEMBRANA 

 TYMPANI 



FIG. 837. The right membrana tympani, viewed from the outside, from in front, and from below. (Spalteholz.) 



SUPERIOR LIGAMENT EPITYMPANIC 



OF MALLEOLUS RECESS 



NECK OF 

 MALLEUS\ 



ANTERIOR LIGAMENT 



AND ANTERIOR 



PROCESS OF 



MALLEOLUS 



INSERTION 

 OF TENSOR 

 TYMPANI 

 MUSC 



GLASF.RIAN 

 FISSURE 



ARTICULAR SURFACE 

 BL-.-'FOR BODY OF INCUS 



FLACCID PORTION OF 

 MCMBRANA TYMPANI 



POSTERIOR 



TYMPANIC 



SPINE 



TYMPANIC 

 ORIFICE 

 OF CANAL 

 FOR CHORD* 

 TYMPANI 

 NERVE 



EUSTACHIAN 

 TUBE 



TENSE PORTION OF" 

 MEMBRANA TYMPANI 



FIG. 838. The right membrana tympani with the hammer and the chorda tympani, viewed from within, 

 , from behind, and from above. (Spalteholz.) 



