Inner ear hair cells,light micrograph

Numéro d’image : 11551456
Inner ear hair cells,light micrograph
Inner ear hair cells. Fluorescent light micrograph of sensory hair cells (blue) from the cochlea of the inner ear. The protein GLAST (glutamate-aspartate transporter) has been labelled red. The hairs are surrounded by a fluid called the endolymph. As sound enters the ear it causes waves to form in the endolymph,which in turn cause the hairs to move. The movement is converted into an electrical signal,which is passed to the brain via the auditory nerve. The neurotransmitter glutamate passes the signal from the hair cells to the auditory nerve. However,too much glutamate is toxic to both structures. GLAST serves to mop-up the excess glutamate and so protects the hair cells and nerve fibres from sound-induced damage
Licence : Droits gérés
Crédit: Science Photo Library / Furness, Dr. David
Taille de l’image : 4276 px × 4096 px
Model Release : Non requis
Property Release : Non requis
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