394 



ELEMENTARY PHYSIOLOGY 



LBSS. 



Fro. 125. 



-LoNniTuniNAL Section ok Ampulla, outtinq the Orkst 

 CKuSSWISE (S0ME'.\'HAT diaorammatic). 



c, one end of the ampulla forming the semicircular canal, u, the other 

 end opening into the utricle ; e, ordinary epithelium lining the greater 

 part of the ampulla; cr. the crest with a.e, auditory epithelium; a.h, 

 auditory hairs ; c.t, connactive tissue support to the auditory epithe- 



