eyespot

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Related to Eyespots: lateral lines

eyespot

[′ī‚spät]
(botany)
A small photosensitive pigment body in certain unicellular algae.
A dark area around the hilum of certain seeds, as some beans.
(invertebrate zoology)
A simple organ of vision in many invertebrates consisting of pigmented cells overlying a sensory termination.
(plant pathology)
A fungus disease of sugarcane and certain other grasses which is caused by Helminthosporium sacchari and characterized by yellowish oval lesions on the stems and leaves.
References in periodicals archive ?
Specifically, if eyespot images indeed trigger implicit (social) threat-perception, we hypothesize that exposure to watchful eyes should lead to the experience of negative affect (e.
Caption: CRISPR/Cas9 can genetically manipulate butterflies; cutting a gene called Distal-less causes more eyespots (right) than appear on a normal wing (left).
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.
Developmental mode in opisthobranchs is most reliably documented when based on observations of the morphology of hatching veliger larvae--particularly the presence or absence of eyespots and propodium--accompanied by measurements of egg size, embryonic period and temperature, and size and type of shell at hatching (Bonar 1978; Goddard 2004).
The "naked eye" of the Nude recurs in the marking known as an eyespot ("large blue eye"), which is "open forever" on the adult insect's wing (34, 86-87).
Four other types of dinoflagellates-one-celled aquatic organisms that include zooxanthellae-have eyespots, according to Koike.
Scattered randomly along the back half of the fish are 6 to 12 black eyespots that are often bordered with a white or yellow halo.
Eyeless phyla are therefore degenerate or failed to develop eyespots further.
So sure I was you'd want to have me back I practiced shining through the intertidal twilight: eyespots, zebra stripes, empty saddle.
Sundochernes differs from all other chernetid genera by the following combination of characters: flagellum with 3 blades; spermathecae with 2 thickened tubes with rounded terminal bulbs; legs without tactile setae; 1 pair of eyespots present; vestitural setae generally small, dentate and clavate.