ocellus

(redirected from Invertebrate photoreceptor)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Invertebrate photoreceptor: Photoreceptor cells, Rod cells, Phototransduction

o·cel·lus

, pl.

o·cel·li

(ō-sel'ŭs, -lī),
1. The simple eye found in many invertebrates. Synonym(s): eyespot (2)
2. Facet of the compound eye of an insect.
[L. dim. of oculus, eye]

ocellus

(ō-sĕl′əs)
n. pl. ocelli (ō-sĕl′ī′)
1. A simple eye, found in many invertebrates, consisting of a number of sensory cells and often a single lens.
2. A marking that resembles an eye, as on the tail feathers of a male peacock; an eyespot.

o·cel′lar (ō-sĕl′ər) adj.

ocellus

a single eye with a single lens found in insects and some other invertebrates.