Definition

A light-sensitive pigment in the eye that helps with vision in bright light.

Example

Iodopsin is essential for our ability to see colors during the day.

Conversation

Did you know that the eye contains iodopsin for color vision?

Really? I had no idea what that was!

Yeah, it’s a pigment in the retinal cones that helps us see in daylight.

That’s so cool! I love learning new things about how our bodies work.

Synonyms & Antonyms

Root Explanation

Iodopsin is formed from "iodo-" (from Greek "ioeidēs", meaning violet or purple) and "-psin" (from Greek "psin", meaning to drink or absorb). The word refers to a pigment in the retina that absorbs light, particularly in the violet spectrum.

Memory Tip

Think of 'violet' ('iodo-') and 'absorbing' light ('-psin') to remember that iodopsin is a pigment that absorbs violet light.

Visually Confused Words