Vocabulary Entry

ommatidium

|noun

noun

A basic unit of the compound eye of arthropods, consisting of a lens and photoreceptor cells.

Example Sentences

"The ommatidia in a dragonfly's eye allow it to see in nearly all directions."

"Each ommatidium is responsible for collecting light from a small portion of the environment."

"The compound eye structure, made up of thousands of ommatidia, provides a wide field of vision."