**Author details**

cribrose lamina *thin bony plate that forms the barrier between the vestibule of the inner ear and the internal auditory canal and is pierced by neurons of the cochlear nerve and blood vessels*

endolymph *lymph fluid in its composition close to the intracellular hair cell milieu that fills the medial scale and the*

endolymphatic duct *endolymph space that originates from the utriculosaccular duct and provides fluid circulation to the*

endolymphatic sac *blind pouch of the endolymphatic duct with immune competence participating in the endolymph*

Nuel space *perilymph space within the Corti organ between outer pillar cells and outer hair cells* olivocochlear bundle *efferent innervation of the cochlea within a medial and lateral bundle can be distinguished*

outer hair cell *receptor cell of the cochlea responsible for amplification and three-dimensionally focusing of basilar*

outer tunnel *endolymph space within the Corti organ between outer hair cells and lateral supporting cells*

perilymph *lymph fluid in its composition close to cerebrospinal fluid that fills the tympanic scale and vestibulic scale*

*arachnoid-like tissue, providing communication with the subarachnoidal space and mainly pressure*

*cell barrier membrane between the medial scale and the vestibulic scale connected to the spiral ligament laterally and the spiral limbus medially canal that connects the cochlear duct with the saccule*

perilymphatic duct *or periotic duct that originates from a pouchlike extension of the round window, containing a mesh of*

saccule *vestibular endolymph space that contains one of the two macula organs and is origin of the saccular duct*

spiral ligament *fibral tissue at the lateral wall of the medial scale connecting the vascular stria to the otic capsule* spiral limbus *fibral tissue at the medial wall of the medial scale connecting to the tectorial membrane by interdental*

*cells and to the inner sulcus cells by forming the inner sulcus* spiral ganglion *first ganglion of the truely bipolar cochlear neurons located in the bony modiolus*

*that combines with the utricular duct to the utriculosaccular duct, which itself is origin of the*

efferent innervation *innervation that projects peripherally from the brain to the effector/sense organ*

*outer tunnel and Nuel space in the Corti organ*

helicotrema *cochlear peak with confluence of tympanic scale and vestibulic scale* inner hair cell *receptor cell of the cochlea responsible for mechanoelectrical transduction* inner tunnel *perilymph space within the Corti organ between inner and outer pillar cells*

*endolymphatic sac*

medial scale *endolymph space containing the Corti organ*

*membrane vibration* oval window *membrane between the vestibule and the stapes*

*and the inner tunnel in the Corti organ*

round window *barrier membrane between the tympanic scale and the middle ear*

*equilibrium to the inner ear* reunion duct *canal that connects the cochlear duct with the saccule*

*endolymphatic duct*

Reissner's membrane

modiolus *bony spiral backbone of the cochlea*

*homeostasis*

222 Advances in Clinical Audiology

#### Raphael R. Ciuman

Address all correspondence to: ciuman.raphael@cityweb.de

Otorhinolaryngology, Natural Medicine Science, Pharmaceutical Medicine, Uranusbogen, Mülheim an der Ruhr, Germany

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**Section 7**
