HBAEING. 



563 



Fig. 406. — Section through one of the coils of cochlea (after Chanveau). ST, scala tym- 

 pani; SV, scala vestibuli; CC, cochlear canal (scala media); Co, o^gan of Corti;' 

 S, membrane of Seissner; b, membrana basilaris; Iso, lamina epiralis ossea; I, 

 membraua tectoria; 1, S, rods of Corti; nc, cochlear nerve with its ganglion, ge. 



Pathological. — Inflainmation of tlie tympanum may result 

 in adhesions of the small bones to other parts or to ea«h other, 



T 



Fig. 407.— I. Transverse section of a tnm of cochlea. II. Ampulla of a semicircular 

 canal and its crista acoustica; on, auditory cells, one of which is a hair-cell. III. 

 Diagram of labyrinth of man. IV. Ot bird. V. Of flsh. (After Landois.) 



