Definition: "Retinere" is a medical term that refers to a type of cell in the retina, which is responsible for processing visual information. The retina is made up of cells called rods and cones, which are responsible for detecting light and transmitting it to the brain. When light enters the eye, it passes through the lens, causing the cones in the rod cells to detect red, green, and blue colors. These colors are then transmitted to the brain as visual information. The retina also contains a