Simple eye in invertebrates (redirect from Ocellus)
The term "ocellus" (plural ocelli) is derived from the Latin oculus (eye), and literally means "little eye". In insects, two distinct ocellus types exist:...
23 KB (2,729 words) - 23:07, 5 April 2025
Look up ocellus in Wiktionary, the free dictionary. An ocellus is a simple eye found in invertebrates, in which pigment is distributed randomly and for...
469 bytes (99 words) - 19:07, 23 July 2015
The pigment spot ocellus is an ocellus that contains only part of its cells pigmented. It is characteristic of jellyfish, sea stars, and flatworms. "Eye...
504 bytes (49 words) - 05:13, 6 August 2024
Eyespot (mimicry) (redirect from Ocellus (mimicry))
An eyespot (sometimes ocellus) is an eye-like marking. They are found in butterflies, reptiles, cats, birds and fish. Eyespots could be explained in at...
26 KB (2,973 words) - 03:25, 27 October 2024
Pseudo-Ocellus Lucanus. In two apocryphal letters that Archytas allegedly sent to Plato, he mentioned that he had talked with the descendants of Ocellus and...
4 KB (548 words) - 15:10, 22 October 2024
Gibberula ocellus is a species of sea snail, a marine gastropod mollusk, in the family Cystiscidae. MolluscaBase (2018). Gibberula ocellus (Dall, 1927)...
761 bytes (47 words) - 09:26, 25 February 2024
there is a naupliar ocellus (the "third eye") between them. The compound eyes are on the surface of the head, but the ocellus is deep within the head...
20 KB (1,997 words) - 17:28, 16 April 2025
Emplastus (redirect from Emplastus ocellus)
E.(?) ocellus male...
20 KB (2,570 words) - 23:56, 28 September 2024
Little Pony: Friendship Is Magic, Season 8 and 9, voicing the role of Ocellus. She also does the English dubbing for the hit anime series Beyblade Burst...
5 KB (366 words) - 07:06, 26 March 2025
Forge The Smurfs: Dreams Win, NS, PS4, PS5, XBO, XSX/S Adventure, platform Ocellus Services Microids Starbound XBO Action-adventure Chucklefish Telebbit Win...
564 KB (26,353 words) - 01:26, 18 April 2025
Diagram of octopus from side, with gills, funnel, eye, ocellus (eyespot), web, arms, suckers, hectocotylus and ligula labelled....
104 KB (10,863 words) - 02:27, 18 April 2025
Insect morphology A- Head B- Thorax C- Abdomen antenna ocellus (lower) ocellus (upper) compound eye brain (cerebral ganglia) prothorax dorsal blood vessel...
134 KB (12,801 words) - 16:39, 26 March 2025
the name most often used for this species. Some works still state Ptinus ocellus Brown, 1929. The Australian spider beetle (Pictus tectus) measures 2.5–4 mm...
5 KB (478 words) - 03:56, 27 April 2023
and Opsimus 76 Diotimus 17 Brontinus 47 Archytas 77 Bion 18 Hippasos 48 Ocellus 78 Bolus 19 Calliphon and Democedes 49 Timaeus 79 'Sophist': Name and Concept...
13 KB (1,302 words) - 19:45, 1 February 2025
with a pair of sensory pits, a statocyst, and sometimes a pigment-cup ocellus. Most species appear to be gonochorists, with separate male and female...
10 KB (1,152 words) - 20:11, 5 March 2025
photosensitive cell in the retina of vertebrate eyes Simple eye in invertebrates (Ocellus), photoreceptor organ ("simple eye") of invertebrates often composed of...
1 KB (163 words) - 17:02, 31 August 2024
venation, form of the scales on the wings, loss of the cerci, loss of an ocellus, and changes to the legs. Amphiesmenoptera are thought to be the sister...
3 KB (315 words) - 13:04, 19 April 2024
distinct discocellular spot and a row of discal ocelli as well as a basal ocellus below the costa of the hindwing. Of the modifications in the ocelli of...
14 KB (1,456 words) - 00:14, 24 October 2024
very slenderly black-ringed discal ocellus in interspace 2, with a very much larger pale yellow and black-ringed ocellus above it spreading over interspaces...
7 KB (833 words) - 13:41, 2 May 2024
lobe of labium; mt mentum; N notum; occ occiput; ocl lateral ocellus, ocm median ocellus; orb orbit; ot occipital triangle; P prothorax; pc postclypeus;...
10 KB (1,015 words) - 02:24, 19 March 2023
by the ecdysial cleavage line, if it is visible. If there is a median ocellus, it generally is on the frons, though in some insects such as many Hymenoptera...
129 KB (17,124 words) - 05:56, 7 March 2025
(fl. from 2007), American comic book writer, filmmaker and entrepreneur Ocellus Lucanus (fl. 6th century BC), supposed Pythagorean philosopher Lucan, one...
1 KB (163 words) - 11:46, 18 May 2024
Ivashkin E, Adameyko I (April 2013). "Progenitors of the protochordate ocellus as an evolutionary origin of the neural crest". EvoDevo. 4 (1): 12. doi:10...
53 KB (6,021 words) - 05:11, 11 April 2025
fins. There is sometimes a pale saddle on the caudal peduncle and a large ocellus to the rear of the upper margin of the gill cover. The spots on juveniles...
8 KB (876 words) - 23:56, 4 January 2025
of sensory cells called the "pigment-cup ocellus", while on the aboral side, there is a “pigment-spot ocellus” just proximal to the lithocyst, formed by...
13 KB (1,617 words) - 07:13, 16 April 2025
a subdorsal line with oblique streaks below it on 4th to 10th somites. Ocellus on the 4th somite is greenish with a black ring. The horn is yellowish...
4 KB (355 words) - 01:45, 28 March 2025
addition there is a dark straight postdiscal diffuse fascia with a superposed ocellus in interspaces 2 and 5 respectively, and a lilac spot at the tornal angle...
8 KB (1,034 words) - 17:24, 9 August 2024
and sometimes has no eyes altogether. Instead, its eyes have a single ocellus or a group of ocelli. Its spiracles are paired and can be found laterally...
3 KB (255 words) - 21:54, 28 February 2024
of compound eyes (composed of many ommatidia), an anterior (or median) ocellus, and two posterior ocelli; the ocelli form a triangle between the eyes...
18 KB (1,828 words) - 13:12, 13 February 2025
them is obscurely striated with whitish irroration towards dorsum. The ocellus is obscurely whitish-irrorated, edged with leaden -metallic, and it includes...
3 KB (265 words) - 14:14, 4 February 2025