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Topic: Ocellus

	Rosenzweig CHAPTER 5
		In the ocellus there were two peaks: one of UV light at a wavelength of 335-340 nm and one of green light at 490 nm whereas in compound eyes the peaks were at 350 nm and 540 nm (Goldsmith and Ruck, 1958).
		Generally speaking the distribution of melanin in the ocellus is primarily in the outer envelope and in the retimalar cellsaround the distal part of the rhabdom.
		The ocellus tends to accumulate heat owing to the rapid metabolic process as well as to solar irradiation which is concentrated in the ocellus by the transparent cornea (which acts as a concentrating lens) and therefore flow of hemolymph is important for cooling of the ocellus.
	www.desc.med.vu.nl /Publications/Thesis/Rosenzweig/Rosenzweig_CHAPTER_5.htm (9655 words)

	Dictionary of Greek and Roman Biography and Mythology, page 1 (v. 3) (Site not responding. Last check: 2007-11-06)
		Ocellus is mentioned in a letter from Archytas to Plato, which is preserved by Diogenes Laertius (viii.
		Hemst.) speaks of Ocellus and Archytas as acquainted with Pythagoras, but we know that Archytas lived at least a hundred years after Pythagoras, and Lucian's historical facts are seldom to be relied on.
		Ocellus is mentioned by still later writers, but their evidence determines nothing as to his period.
	www.ancientlibrary.com /smith-bio/2335.html (975 words)

	Middle Platonism [Internet Encyclopedia of Philosophy]
		Ocellus was concerned with maintaining the doctrine of the eternity of the world against the Stoic doctrine of periodic conflagration and reconstitution of the universe.
		At the end of his On the Nature of the Universe he entreats prospective parents to be attentive in choosing times of conception, so that their children may be born noble and graceful; and in the fragment On Laws he declares that the active supra-lunar realm governs the passive sub-lunar realm.
		In his ethical doctrine Ocellus adhered to strict Pythagorean asceticism, holding that sexual intercourse is to be reserved for reproductive purposes only, and that alchoholic beverages are to be avoided.
	www.iep.utm.edu /m/midplato.htm (8719 words)

	Hellenistic Astrology [Internet Encyclopedia of Philosophy]
		Ocellus goes on to name these powers as hot, cold, wet, and dry, and he contrasts them with the "substances" (ousiai) or elements of fire, earth, water and air.
		Whether or not Ocellus and other Neopythagoreans are at the forefront of formulating these particular astrological rules, he provides a metaphysical basis for the notion that the planets and stars effect changes on earth.
		In his discussion on the generation of men, Ocellus argues, in more of an Aristotelian than Platonic sense (as found in On Generation and Corruption, that the only participation of men in immortality is through the gift by divinities of the power of reproduction.
	www.iep.utm.edu /a/astr-hel.htm (18995 words)

	Darwin, Descent of Man. Chapter 14 (Site not responding. Last check: 2007-11-06)
		The indentation of the central disc and of the surrounding zones of the ocellus, in both species of peacock, speaks plainly in favour of this view, and is otherwise inexplicable.
		It should be particularly observed that each ocellus stands in obvious connection either with a dark stripe, or with a longitudinal row of dark spots, for both occur indifferently on the same feather.
		Ocellus in an intermediate condition between the elliptic ornament and the perfect ball-and-socket ocellus.
	pages.britishlibrary.net /charles.darwin/texts/descent/descent14.html (13493 words)

	Bioline International Official Site (site up-dated regularly)
		In the absence of clearly intermediate forms and in view of the stability of the ocellus character in Australia (always present) and the western Pacific north of Australia (always absent), including very small juveniles, two species are recognised here.
		In life, the ocellus of these species may be incomplete, present on one side only, or absent altogether.
		All the Australian specimens (smallest is 19.1 mm SL) and photographs of Australian fish examined for this study have the midlateral ocellus and usually no narrow dark bars on the body.
	www.bioline.org.br /request?fs00002 (5352 words)

	Red or Green Software (Site not responding. Last check: 2007-11-06)
		Ocellus Practice Manager is a suite of Optical Practice Management Software which gives you complete control over your practice.
		With Ocellus you can have a range of options from just a patient reminder system up to a full package including stock control and till (Electronic Point of Sale EPOS) specifically tailored for the modern Optometry practice.
		Ocellus is also unique in that it is based on Open Source technology which allows us to provide you with a top quality product at a reasonable cost.
	www.redrgreen.com /index.php?page=index&id=2 (96 words)

	Untitled Document (Site not responding. Last check: 2007-11-06)
		Daphnia's eyes - In this shot both compound eye and ocellus are visible.
		The swimming antennae moves across the eyes a few times, but the most interesting detail is how the ocellus is attached to a muscle, that moves it.
		You can see the nerve attached to the ocellus collapse and then becomes taut again.
	www.uwm.edu /~dinora/eye.htm (55 words)

	Selective, Activity-Dependent Uptake of Histamine into an Arthropod Photoreceptor -- Stuart et al. 16 (10): 3178 -- ... (Site not responding. Last check: 2007-11-06)
		Preparations consisted of the median eye (ocellus), comprising four photoreceptor somata, the median ocellar nerve containing their axons, and the small supraesophageal ganglion, or ``brain,'' where these photoreceptors terminate (see Fig.
		The nerves were severed, the ocellus was discarded, and the washed ganglia were homogenized in 50 µl of a mixture of 1
		Simmons PJ, Hardie RC (1988) Evidence that histamine is a neurotransmitter of photoreceptors in the locust ocellus.
	www.jneurosci.org /cgi/content/full/16/10/3178 (6701 words)

	Orthoptera of the Northern Great Plains (Site not responding. Last check: 2007-11-06)
		Above and slightly anterior to (in front of) each compound eye is a simple eye called the lateral ocellus.
		In total then, there are three simple eyes, the two lateral ocelli and the median ocellus.
		The median ocellus is situated on a raised area called the frons or frontal costa.
	www.ndsu.nodak.edu /instruct/brewer/brewer/dept/hopper/anatomy.htm (1480 words)

	Bioline International Official Site (site up-dated regularly)
		The development of the dorsal fin ocellus was shown for N.
		10); precaudal vertebrae (12); teeth granular to slightly needle-like; dorsal fin ocellus posterior to anus; middle part of anal fin fl, with a pale band both distally and proximally; body with 3-4 indistinct, broad, dark vertical bars.
		4) showed that the development of the dorsal-fin ocellus in Red Sea specimens can be divided into eight stages, which are positively correlated with size, and that the smaller (younger) stages occur at greater depths than the larger (older) stages.
	www.bioline.org.br /request?fb95001 (8383 words)

	`Ocellus` knocks Williams out of spelling bee (printable version)
		WASHINGTON — “Ocellus” is not a word that many kids come across, but Reno eighth-grader Nick Williams did Wednesday at the 76th Annual Scripps Howard National Spelling Bee.
		The Pine Middle School student asked about the word’s origin, its definition and even how to use it in a sentence.
		And Nick probably will not have much use again for the word “ocellus,” which means an eye-like spot such as those on peacock feathers.
	www.rgj.com /news/printstory.php?id=43300 (353 words)

	Welcome to Ocellus Merchant Services (Site not responding. Last check: 2007-11-06)
		Ocellus Merchant Services can network your transactions to give you the best possible rate and lower your liability at the same time.
		This means that about 35 to 45 percent of the time you swipe a Visa/Mastercard you pay a low flat rate instead of a percentage and a "swipe fee".
		Ocellus Merchant Services is the only service provider in the area to offer this.
	www.mwmuller.com /ocellus/Ocellus/ServicesDebit.html (903 words)

	Barlow papers
		The electroretinographic response of the ocellus also reaches maximum sensitivity in the UV gamma Max 360-380 nary), but in addition shows a secondary maximum, 1.5-2.5 log units less sensitive, at 520 nm.
		The steadystate firing rate in response to long (10-see) stimulu delivered to the dark-adapted ocellus is approximately linear when intensities are near threshold.
		We conclude that the median ocellus functions primarily as a UV receptor that can enhance the sensitivity of the lateral eye at night.
	www.mbl.edu /animals/Limulus/vision/Barlow/gsm.html (1092 words)

	The Genotype/Phenotype Distinction
		The success of such a selection experiment proves that there was genotypic variation for ocellus number and arrangement in the original population of normal flies, but that all the different genotypes mapped onto the same phenotype.
		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).
		It is then possible to select genotypes that are so extreme in their effect on development that they are beyond the buffering capacity of the normal developing system and produce unusual phenotypes even under normal circumstances.
	plato.stanford.edu /entries/genotype-phenotype (5061 words)

	COLEOPTERA (Site not responding. Last check: 2007-11-06)
		Median ocellus on head (except in Dermestes which are at least 6 mm long).
		The majority of Dermestidae are relatively easy to distinguish by the characteristic form, clothing of stout setae or scales forming a pattern and the presence of a single, median ocellus on the head (last figure).
		The dermestid body is usually compact, with excavations and cavities for housing antennae and legs.
	www.inbio.ac.cr /ES/papers/coleoptera/DERMESII.html (130 words)

	Pigmentation in the sensory organs of the ascidian larva is essential for normal behavior -- Jiang et al. 208 (3): 433 ...
		in the brain of the ascidian larva, the ocellus and the otolith,
		ocellus and otolith of imc larvae, indicating the presence of
		(B,C) Pigmentation in otolith (B) and ocellus (C) in a homozygous spt tadpole rescued by electroporation of wild-type C.
	jeb.biologists.org /cgi/content/full/208/3/433 (3002 words)

	Direct evidence for the role of pigment cells in the brain of ascidian larvae by laser ablation -- Tsuda et al. 206 ...
		— the ocellus, otolith and pressure organs — have
		the ocellus, the laser was focused onto the center of the posterior
		Besides the otolith and the ocellus, the larvae of Ciona intestinalis
	jeb.biologists.org /cgi/content/full/206/8/1409 (4513 words)

	Aphids of BC
		In winged forms, it bears the median ocellus.
		Technically a single subdivided segment, in aphids consisting of 1 to 4 articles or flagellomeres (usually 4).
		One of three light-sensitive organs, two on the top of the head between the compound eyes (lateral ocelli), and one on the frons (median ocellus).
	www.zoology.ubc.ca /~mawe/bcaphid/glossary/formterm.htm (779 words)

	Kohler: K-14246-AC: Ocellus™ design on Compass™ self-rimming lavatory, Citron design: Bathroom
		Ocellus™ design on Compass™ self-rimming lavatory, Citron design
		Due to the differences in monitors, technical factors, and characteristics of some of our finishes, the colors shown here cannot be represented with all their true qualities.
		Ocellus Citron (yellow) design on White background Compass self-rimming lavatory
	www.us.kohler.com /onlinecatalog/detail.jsp?prod_num=14246-AC (183 words)

	TEXTURES REFERRING TO CAVITY FILLINGS (Site not responding. Last check: 2007-11-06)
		Unlike amygdales, the minerals filling an ocellus can normally all be found in the host rock; they may include any of; nepheline, analcite, zeolite, calcite, leucite, K-feldspar, Na-feldspar, quartz, chlorite, biotite, hornblende and pyroxene, or even glass, and the minerals are commonly distributed in a zonal arrangement.
		Often, platy and acicular crystals in the host bordering an ocellus are tangentially arranged but sometimes project into the ocellus.
		Ocelli are normally less than 5 mm in diameter but may reach 2 cm.
	www.metu.edu.tr /home/www64/geoweb/igneous-cavity.htm (257 words)

	Kohler K-14246-AP Ocellus Pomegranate Design On Compass Self-Rimming Lavatory
		The Ocellus form recalls the simple but effective graphic interpretation of a precise instrument, or the eye-like spots on a peacock's feathers.
		The Pomegranate rim on a White background provides an elegant contrast of colors.
		Ocellus Pomegranate (red) design on White background of Compass self-rimming lavatory
	www.needplumbingsupplies.com /Kohler-Bathroom-Sinks.asp?id=9827 (149 words)

	Florida Entomologist, v. 84, n. 4, p. 613
		Distance between ocelli 3.3 to 3.6 times diameter of one ocellus; distance between ocelli and eye 1.0 to 1.1 times diameter of one ocellus; head ventrally and behind buccula strongly tuberculate (Fig.
		Distance between ocelli 3.4 to 3.6 times the diameter of one ocellus; distance between ocellus and eye 0.8 to 1.1 times the diameter of one ocellus; head ventrally and behind buccula tuberculate (Fig.
		Distance between ocelli 3.8 to 4.5 times the diameter of one ocellus; distance between ocellus and eye 1.5 to 1.6 times the diameter of one ocellus; head ventrally and behind buccula tuberculate (Fig.
	www.fcla.edu /FlaEnt/fe84p613.html (3637 words)

	Streblognathus: description of male (Site not responding. Last check: 2007-11-06)
		Width of median ocellus about the same as the shortest distance between the lateral ocelli.
		Antennal sockets situated at midlength on the head; diameter of sockets greater than the shortest distance between them and also greater than the distance from outer margin of socket to margin of compound eye.
		Vertex reddish brown through to dark brown; golden brown forwards from the anterior margin of the median ocellus.
	www.museums.org.za /bio/ants/ponerinae/streblognathus/streblognathus_male_description.htm (693 words)

	Melandrena
		Vertex above lateral ocellus equals one ocellar diameter or extremely slightly more; terga dull, evenly shagreened, almost impunctate...
		Labral process with apical half of less with a row of two to ten distinct punctures; vertex above lateral ocelli equals two to two and one-half ocellar diameters; flagellar segment 1 slightly longer than segment 2...
		Labral process without distinct punctures or only one or two present; vertex above lateral ocellus equals slightly less than two ocellar diameters; flagellar segment 1 usually no longer than segment 2 or shorter...
	chiron.valdosta.edu /jbpascar/floridabees/melandrena.htm (1256 words)

	Comet, Calloplesiops altivelis
		The Comet is easily recognised by its dark colour with numerous white spots, the ocellus (glossary) at the base of the last dorsal rays and the lanceolate tail.
		The Comet is a secretive fish which is not often observed during the day.
		In this position the fish looks like the head of a Whitemouth Moray Eel, Gymnothorax meleagris, with the ocellus mimicking the eye and the gap between the caudal and anal fins resembling the mouth.
	www.amonline.net.au /fishes/fishfacts/fish/calaltivel.htm (162 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		The Ocellus (two eyes in one symbol) will be cast from the sword hilt's pommel into the air.
		Step 8: [Draw this necklace symbol with the Ocellus in the center.
		The Ocellus in this necklace symbol on the
	members.aol.com /gloriamerl/MerlinMysteryEntrypage2.html (1085 words)

	The Art of Michael Lau: Tom Kids and Tokyo Tribe
		From left to right: Killjoy, D mon, Immune, Tomm, Madcap and Ocellus.
		For example the asterix is shaved on the back of the afro of Immune, wide on the t-shirt of Tomm and tattooed on the left eye of Ocellus.
		Each figure came with extra shoes (or flip-flops) the shoes for each character reads as follows Immune: Gravis Tarmac, Tomm: Adidas Superstar, D mon: Gravis Merc, Ocellus and Madcap: Gravis shoes and Killjoy: Clarks.
	www.michaellau-art.com /tomkids.html (745 words)

	Epaulette Shark, Hemiscyllium ocellatum
		The Epaulette Shark is a slender species that has a large fl ocellus (eye-like spot with a marginal ring) above the pectoral fin and widely spaced fl spots on the body.
		It has two similar sized dorsal fins and an anal fin positioned just anterior to the tail.
		An easy way to tell the difference between the Epaulette and Speckled Carpet Shark is the presence of small dark spots immediately behind the ocellus of the Speckled Carpet Shark.
	www.austmus.gov.au /fishes/fishfacts/fish/hocell.htm (228 words)

	Barlow
		He also found that the sensitivity of the ocellus increases at night through the action of a "centrally located circadian clock." He concludes that the "median ocellus function primarily as a UV receptor that can enhance the sensitivity of the lateral eye at night."
		What actually happens is that the ocellus sends signals to the lateral (compound) eye of Limulus and effectively suppresses lateral inhibition at night.
		Westerman, L.A., Barlow, R.B., Ultraviolet responses of the Limulus mediann ocellus, Biological Bulletin, 1981 161 352-353
	www.mbl.edu /animals/Limulus/vision/Barlow (393 words)

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