منابع مشابه
The Efferent System or Olivocochlear Function Bundle – Fine Regulator and Protector of Hearing Perception
The efferent system of the ear possesses several distinct functions, in particular noise protection, mediation of selective attention and improvement of signal to noise ratio. It also supports adaptation and frequency selectivity by modification of the micromechanical properties of outer hair cells. There are many differences in anatomy and physiology between the medial and lateral olivocochlea...
متن کاملLong-term effects of sectioning the olivocochlear bundle in neonatal cats.
The olivocochlear bundle (OCB) was cut in neonatal cats to evaluate its role in the development of normal cochlear function. Approximately 1 year after deefferentation, acute auditory nerve fiber (ANF) recordings were made from lesioned animals, lesion shams, and normal controls. The degree of deefferentation was quantified via light microscopic evaluation of the density of OCB fascicles in the...
متن کاملInhibition on cochlear nerve fibers by the sound-activated olivocochlear bundle.
Cell motility was measured by the degree of the fluctuation of the light intensity which pass through optical microscope (X 150) observing systems. The photodiode was mounted on the eye-piece lense and its output was fed into the operational amplifier and finally connected to memory oscilloscope. The degree of cell motility was determined by the average amplitude of the intensity fluctuation ca...
متن کاملOtotoxicity: the hidden menace.
Otolaryngology, although considered a surgical specialty, also covers many diseases that are not cured by surgery. These are treated medically and thus the otolaryngologist should have a good knowledge of drug treatments. It also entails ability to recognize, when an ENT symptom may be caused by one of the patient's medications, particularly as this is easily remedied by changing the drug. Alth...
متن کاملINF-α and Ototoxicity
INTRODUCTION INF- α is a common drug for the treatment of hepatitis B and C. Although a variety of related complications are discussed, possible ototoxic effects of this mediation are not well described. METHODS AND MATERIALS In a before-after control study, 24 patients who received INF- α for the treatment of hepatitis B and C and 30 normal controls were included. Subjective and objective ot...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Laryngoscope
سال: 1977
ISSN: 0023-852X
DOI: 10.1288/00005537-197707000-00009