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- etimologia
O que (quem) é eyespot - definição
eyespot
WIKIMEDIA DISAMBIGUATION PAGE
Eyespots; Eye spot; Eye spots; Eyespot (disambiguation)
¦ noun
1. Zoology a light-sensitive pigmented spot on a flatworm, starfish, or other organism.
2. a rounded eye-like marking, especially on a butterfly or moth.
3. a fungal disease of cereals and other grasses, characterized by yellowish oval spots.
Eyespot (mimicry)
![Polyphemus moth]]](https://commons.wikimedia.org/wiki/Special:FilePath/Antheraea polyphemus - Polyphemus Moth.jpg?width=200 "Polyphemus moth]]")
![Io moth]]''](https://commons.wikimedia.org/wiki/Special:FilePath/Automeris ioPCCA20040704-2975AB1.jpg?width=200 "Io moth]]''")
![morphogenetic]] foci on the wings that create eyespots](https://commons.wikimedia.org/wiki/Special:FilePath/Butterflywiki.jpg?width=200 "morphogenetic]] foci on the wings that create eyespots")
![[[Indian peafowl]] display](https://commons.wikimedia.org/wiki/Special:FilePath/Fan of Colours.jpg?width=200 "[[Indian peafowl]] display")
![elephant hawkmoth]] (''Deilephila elpenor'') displaying eyespots when alarmed](https://commons.wikimedia.org/wiki/Special:FilePath/Deilephila elpenor 11.JPG?width=200 "elephant hawkmoth]] (''Deilephila elpenor'') displaying eyespots when alarmed")
![puss moth]] (''Cerura vinula'') in a defensive posture, with black eyespots visible just above its head](https://commons.wikimedia.org/wiki/Special:FilePath/Notodontidae - Cerura vinula.jpg?width=200 "puss moth]] (''Cerura vinula'') in a defensive posture, with black eyespots visible just above its head")
![gray hairstreak]] (''Strymon melinus'') has false head at rear](https://commons.wikimedia.org/wiki/Special:FilePath/Gray Hairstreak (One more time...) (6222138633).jpg?width=200 "gray hairstreak]] (''Strymon melinus'') has false head at rear")
![[[Sand lizard]] (''Lacerta agilis'') with rows of eyespots](https://commons.wikimedia.org/wiki/Special:FilePath/Zauneidechse 1469 (detail).jpg?width=200 "[[Sand lizard]] (''Lacerta agilis'') with rows of eyespots")
![Pygmy owl]] (''Glaucidium californicum'') with eyespots behind head](https://commons.wikimedia.org/wiki/Special:FilePath/Glaucidium californicum Verdi Sierra Pines 2 (detail).jpg?width=200 "Pygmy owl]] (''Glaucidium californicum'') with eyespots behind head")
![[[Serval]] (''Leptailurus serval'') from back, ocelli clearly visible on the ears](https://commons.wikimedia.org/wiki/Special:FilePath/Serval from back.jpg?width=200 "[[Serval]] (''Leptailurus serval'') from back, ocelli clearly visible on the ears")
![[[Foureye butterflyfish]] (''Chaetodon capistratus'') has false eyes near tail and [[disruptive eye mask]] concealing eye](https://commons.wikimedia.org/wiki/Special:FilePath/Chaetodon capistratus 14zz.jpg?width=200 "[[Foureye butterflyfish]] (''Chaetodon capistratus'') has false eyes near tail and [[disruptive eye mask]] concealing eye")
COLOR MARK THAT LOOKS SOMEWHAT LIKE AN EYE
Eyespots (mimicry); Eye-spot (mimicry); Ocellus (mimicry)
An eyespot (sometimes ocellus) is an eye-like marking. They are found in butterflies, reptiles, cats, birds and fish.
Eyespot apparatus
![Schematic representation of a ''[[Chlamydomonas]]'' cell with chloroplast eyespot (4)](https://commons.wikimedia.org/wiki/Special:FilePath/Chlamydomonas.svg?width=200 "Schematic representation of a ''[[Chlamydomonas]]'' cell with chloroplast eyespot (4)")
SMALL PIGMENTED ORGANELLE USED IN SINGLE-CELLED ORGANISMS TO DETECT LIGHT
Photoreceptors, microbial
The eyespot apparatus (or stigma) is a photoreceptive organelle found in the flagellate or (motile) cells of green algae and other unicellular photosynthetic organisms such as euglenids. It allows the cells to sense light direction and intensity and respond to it, prompting the organism to either swim towards the light (positive phototaxis), or away from it (negative phototaxis).
