eyespot


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to eyespot: ISPOT, Eye floaters

eye·spot

 (ī′spŏt′)
n.
1. A light-sensitive organelle of certain chiefly unicellular organisms, such as euglenas and some motile algae.
2. A simple visual organ of certain invertebrates, consisting of a cluster of photoreceptor cells and pigment cells.
3. A rounded eyelike marking, as on the wings of certain butterflies.
4. Any of several fungal diseases that affect grasses and are characterized by oval lesions.

eyespot

(ˈaɪˌspɒt)
n
1. (Biology) a small area of light-sensitive pigment in some protozoans, algae, and other simple organisms
2. (Biology) an eyelike marking, as on the wings of certain butterflies

eye•spot

(ˈaɪˌspɒt)

n.
1. a light-sensitive group of cells or rudimentary visual structure of various algae and invertebrates.

eye·spot

(ī′spŏt′)
1. An area that is sensitive to light and functions somewhat like an eye, found in certain single-celled organisms as well as many invertebrate animals.
2. A round marking resembling an eye, as on the tail feather of a peacock.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.eyespot - an eyelike marking (as on the wings of some butterflies)eyespot - an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color
marking - a pattern of marks
Translations
oční skvrnaoko
References in periodicals archive ?
These "umbo-stage" larvae propel themselves with a ciliated velum, and after a period ranging from a few days to a few weeks, they develop an eyespot and are considered pediveligers (Zacherl 2005).
Such new tenants join an already robust lineup including The Container Store, Legal Sea Foods, Aquitaine, The Cottage, Star Market, Urban Grape, Eyespot, Comella's and more.
Species of Eurybia are usually large, mostly gray or brown butterflies, usually with an eyespot at the end of the discal cell on the forewing and submarginal spots or occeli along the outer margin on both wings (Hall & Ahrenholz 2010); many species have iridescent scales at least on the hind wing.
com Selects Eyespot to Help Usher in the Next 30 Years of "Star Wars" Entertainment, PR WEB (May 24, 2007), http://www.
14], in assessment of the incidence and severity of eyespot disease (Tapesia spp.
Chaleff [100] isolated sugarcane plants resistant to eyespot disease from callus and suspension culture, subjected to toxin of Helminthosporium sacchari, about 15-20% regenerated plants proved resistant.
It is not affected by Russian wheat aphid, Hessian fly, or wheat diseases such as take-all, which is caused by the fungus Gaeumannomyces graminis, and eyespot, caused by the fungus Pseudocerospoelle hepitricoides.
Take-all, foot-rot, eyespot, black rust, yellow rust, mildew, even a bit of loose smut and I don't mean dirty jokes or comments either.
But, he believes the newfound type of eyespot is unique to the coral-dwelling life-forms.
This alga responds to light using its eyespot, which senses light, and its flagella, which are its mechanism for swimming.
So reef butterfly fish, angelfish, spadefish and porkfish attempt to hide their eyes with a vertical black bar, and often put a fake eyespot near their tails.
However, significantly increased levels of prochloraz resistance have been detected in some populations of the cereal eyespot pathogen in France and New Zealand (Dyer et al, 2000).