scala mediasca·la me·di·a
nounpl. sca·lae me·di·ae
The middle division of three divisions of the spiral cavity winding around the modiolus of the cochlea in the inner ear. It is situated between the scala vestibuli and scala tympani, filled with endolymph, and houses the organ of Corti. Also called cochlear duct.
Origin of scala mediaNew Latin scala media : Latin scala, staircase (from its spiral structure ) + Latin media, feminine of medius, middle.