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ocellus's Usage Examples:

The simplest type of ocellus is exemplified by the exumbral ocellus of Aurelia, a simple patch of pigment-cells interspersed with visual cells, the whole on a level with the remaining ectodermal epithelium.

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. 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.

Ocellus, and en, internal canal of the tentaculocyst.

Ocellus Lucanus >>

- Ocellus of Lizzia koellikeri.

A similar ocellus is formed in Aurelia among the Scyphomedusae (q.v.).

The simple form of ocellus described in the foregoing paragraph may become folded into a pit or cup, the interior of which becomes filled with a clear gelatinous secretion forming a sort of vitreous Modified after Linko, Travaux Soc. Imp. Nat., St.

- Section of a Statocyst and on a freely - projecting Ocellus of Tiaropsis diademata; cf.

each tion, and therefore close to an Ocellus.

In Aurelia there are two on each rhopalium, a simple ocellus on the exumbral side, and a cupped ocellus on the subumbral side (not present in young individuals).

ocellus's Meaning':

an eye having a single lens

Synonyms:

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

Antonyms:

effector, inattention,