Ocellus

Word OCELLUS
Character 7
Hyphenation ‖O cel lus
Pronunciations N/A

Definitions and meanings of "Ocellus"

What do we mean by ocellus?

A simple eye, found in many invertebrates, consisting of a number of sensory cells and often a single lens. noun

A marking that resembles an eye, as on the tail feathers of a male peacock; an eyespot. noun

A little eye; an eye-spot; a stemma; one of the minute simple eyes of insects and various other animals. noun

One of the simple elements or facets of a compound eye. See cut of compound eye, under eye. noun

In Hydromedusæ, a pigment-spot at the base of the tentacles, or combined with other marginal bodies, in some cases provided with refractive structures which recall the crystalline cones of some other low invertebrates. Also called ocellicyst. noun

One of the round spots of varied color, consisting of a central part (the pupil) framed in a peripheral part, such as characterize the tail of a peacock or the wing of an argus-pheasant. noun

See the adjectives. noun

A little eye; a minute simple eye found in many invertebrates. noun

An eyelike spot of color, as those on the tail of the peacock. noun

A simple eye consisting of a single lens and a small number of sensory cells noun

An eyelike marking in the form of a spot or ring of colour, as on the wing of a butterfly or the tail of a peacock noun

An eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color noun

An eye having a single lens noun

A simple eye consisting of a single lens and a small number of sensory cells.

An eyelike marking in the form of a spot or ring of colour, as on the wing of a butterfly or the tail of a peacock.

Synonyms and Antonyms for Ocellus

  • Synonyms for ocellus
  • Ocellus synonyms not found!!!
  • Antonyms for ocellus
  • Ocellus antonyms not found!

The word "ocellus" in example sentences

In dinoflagellates, four types of eye-spots are known: type A, an independent structure that is not membrane-bound; type B, an independent membrane-bound structure; type C, structure as part of a chloroplast; and type D, an elaborate eye-like structure called ocellus ❋ Hiroshi Yamashita Et Al. (2009)

All have compound eyes and may or may not have a single ocellus over each eye. ❋ Unknown (2008)

Aquila In nubibus Imperator literatorum, columen literarum, abyssus eruditionis, ocellus Europae, Scaliger. ❋ Unknown (2007)

The Ciona βγ-crystallin is only expressed in the palps and in the otolith, the pigmented sister cell of the light-sensing ocellus. ❋ Unknown (2005)

There is genetic variation among individuals for genes that affect ocellus number, but the developmental effects of that variation are prevented by the system of buffering (Waddington 1953, 1957). ❋ Lewontin, Richard (2004)

If a sufficiently large perturbation is introduced, the developmental buffering capacity is overcome and the genetic variation for ocellus number is revealed. ❋ Lewontin, Richard (2004)

The head oblong, slightly narrowed posteriorly and emarginate behind, longitudinally striated, the striæ diverging from the centre at the anterior ocellus; at half the distance between the posterior ocelli and the margin of the vertex the striæ are transverse. ❋ Various (N/A)

Black; the head and thorax strongly punctured; the mandibles, clypeus, a line above extending to the anterior ocellus, the emargination of the eyes, a spot at their vertex and a line at their outer orbits, yellow; the antennæ reddish-yellow, with the scape pale yellow in front and a narrow fuscous line above; the yellow marking more or less stained orange. ❋ Various (N/A)

Black; the face above the clypeus, as high as the anterior ocellus, reddish-yellow; the extreme edge of the clypeus, the labrum and base of the mandibles ferruginous; the antennæ reddish-yellow. ❋ Various (N/A)

Frontal lobes: in Psyllidae, two lobes or swellings more or less completely divided by a suture in which an ocellus is situated. ❋ John. B. Smith (N/A)

Mi Libane, ocellus aureus, donum decusque amoris, amabo, faciam quod voles, da istuc argentum nobis. ❋ Titus Maccius Plautus (1919)

Each ocellus is furnished with its own lid, and the apt can, at will, close as many of the facets of his huge eyes as he chooses. ❋ Edgar Rice Burroughs (1912)

Insects have two sets of organs for vision, the faceted eye and the so-called simple eye, or ocellus. ❋ Various (1909)

On the pupa are four quite distinct conical tubercles forming a transverse line just in front of the ocelli; and there are also two larger, longer tubercles, on the outer side of each of which, an ocellus is situated. ❋ Unknown (1872)

Though renowned through Europe as the _orbis terrae ocellus_, the man sought out by every visitor to Venice as the rarest citizen of the ❋ John Addington Symonds (1866)

Some genera have retained a third ocellus in the centre of the frons. ❋ Unknown (2010)

_ocellus_, from the eye-shaped markings of its corolla. ❋ William Thomas Fernie (N/A)

This eye structure seemed remarkable in a beast whose haunts were upon a glaring field of ice and snow, and though I found upon minute examination of several that we killed that each ocellus is furnished with its own lid, and that the animal can at will close as many of the facets of his huge eyes as he chooses, yet I was positive that nature had thus equipped him because much of his life was to be spent in dark, subterranean recesses. ❋ Unknown (1913)

Cross Reference for Ocellus

What does ocellus mean?

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