**Cochlea Glossary**

**Efferent innervation**

220 Advances in Clinical Audiology

**Receptor cells**

**Supporting structures**

**Afferent innervation**

**Efferent innervation**

**Receptor cells**

**Supporting structures**

**Afferent innervation**

**Efferent innervation**

**Receptor cells**

**Supporting structures**

**Afferent innervation** hair cells are unmyelinated;

cells;

*Vestibular organ*













to one single neuron; in the periphery up to 500 photoreceptors converge to one neuron;



the function of the cochlear aqueduct, whereas fluid circulation is dependent on the vestibular aqueduct;

taller and thicker stereocilia and a thicker cuticular plate compared with type II cells;

recirculation by non-secretory transitional cells, calcium homeostasis by melanocytes;





with high light intensity deep into the photoreceptor layer;





*Optical system*

transmission;

*Olfactory system*

 receptor cells; - 5–20 kinocilia per receptor cell;



the retina;


#### 222 Advances in Clinical Audiology


