ocelli's Usage Examples:

like the single elements (ommatidia) of a compound insect eye, in others like simple ocelli.

in a state of maturity, and have ocelli; the female medusae remain attached and have no sense organs.

1); sometimes also an additional seventh ocellus occurs, a pit-like structure without a lens, either between the two median ocelli, or placed asymmetrically near the median proximal ocellus.

7); on the exumbral aspect there are two median ocelli (oc l, oc 2), a distal and a proximal, each of them a vesiculate ocellus with a lens, and on the sides of the rhopalium are two pairs of ocelli without lenses (oc.

The head is rather large, and is furnished at first with five simple eyes of nearly equal size; but as it increases in size the homologues of the facetted eyes of the imago become larger, whereas those equivalent to the ocelli remain small.

The head of a hymenopterous insect bears three simple eyes (ocelli) on the front and vertex in addition to the large compound FIG.

Gonosome with free medusae or gonophores; the medusae typically with otocysts, sometimes with cordyli or ocelli (figs.

t, tentacles; oc, ocelli.

The sense-organs are covered over by flaps of the umbrellar margin (hence " Steganophthalmata "), and are always tentaculocysts, that is to say, reduced and modified tentacles, which bear usually both ocelli and otocysts, and are hollow.

bearing gonads on the main canal, but not on the branches, with numerous hollow tentacles bearing ocelli, and without otocysts.

The sense organs are typically ocelli, never otocysts.

The ocelli are seen in FIG.

Synonyms:

optic, simple eye, stemma, ommatidium, eye, oculus,

Antonyms:

effector, inattention,