Reissner Membrane

Reissner membrane is a thin membrane that separates two of the three internal parts of the cochlea: medium-sized vestibular scale. It consists of two layers of flattened epithelial tissue, separated by a basal lamina. The upper layer of Reissner's membrane epithelium at the base of the scala vestibuli, which is immersed in a fluid called perilimfe, while the bottom layer, on the roof of the scala media is impregnated endolymph fluid filled cochlea scala media.