What is another word for ocellus?
Pronunciation: [ˈə͡ʊsə͡ləs] (IPA) 
Ocellus is a biological term that refers to a simplified eye with a single lens, found in many invertebrates. Some possible synonyms for this term include simple eye, stemma, eyecup, or photoreceptor. Though they may differ in structure and function, these terms all refer to the same basic concept: a light-sensitive structure that allows an organism to perceive its environment. Ocelli can be found in a variety of organisms, from insects and crustaceans to mollusks and annelids. Regardless of their form or location, ocelli provide a crucial means for these creatures to orient themselves and detect potential threats or prey.
