<prompt> True regarding endothelium of cornea:-It has three layer of cellsIt regenerates within 72 hoursIt is responsible for maintaining dehydrated state of corneaEndothelial cells increase with ageing any intraocular surgery.  <response>: ENDOTHELIUM Single layer of cells Powerhouse of kitchen of the cornea Responsible for maintaining dehydrated state of cornea Endothelial cells decrease with ageing any intraocular surgery. Normal specular count-2500-3500 mm3. The normal endothelium is usually made up of hexagonal, regular, cells which are roughly uniform in shape. 