eyespot

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Related to Eyespots: lateral lines

eye·spot

(ī'spot),

1. A colored spot or plastid (chromatophore) in a unicellular organism.

2. Synonym(s): ocellus (1)

eyespot

(ī′spŏt′)

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.

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References in periodicals archive ?

12, 13); three small eyespots located at near lateral margin of each anterolateral propeltidium lobe (Fig.

Redescription of the sole species of the enigmatic solifuge genus Dinorhax Simon, 1879 (Solifugae: Melanoblossiidae) in Southeast Asia

Eyespots are visible above the apical organ at 15 days post-amputation (Figs.

Getting a Head with Ptychodera flava Larval Regeneration

(1997) described two cercariae similar to Furcocercaria XX in the number of flame cells (10) and the presence of non-pigmented eyespots: Furcocercaria sp.

Cercarias (Orden: Strigeidae, Diplostomidae) en Biomphalaria straminea (Planorbidae) de un campo de arroz en el Nordeste Argentino

To examine the mechanisms that give rise to eyespot effects, we designed a randomized experiment imbedded in an online survey about politics.

The feeling of being watched: do eye cues elicit negative affect?

Caption: CRISPR/Cas9 can genetically manipulate butterflies; cutting a gene called Distal-less causes more eyespots (right) than appear on a normal wing (left).

CRISPR gets a makeover: the gene-editing tool does one thing well, but that's just the beginning

Developing cysts are the average percentage of cysts having visibly faded eyespots or an X-shaped excretory vesicle in metacercariae.

Distribution and occurrence of the exotic digenetic trematode (Centrocestus formosanus), its exotic snail intermediate host (Melanoides tuberculatus), and rates of infection of fish in springs systems in Western Texas

Keys et al., "Pattern formation and eyespot determination in butterfly wings," Science, vol.

Molecular population structure of Junonia butterflies from French Guiana, Guadeloupe, and Martinique

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).

Developmental mode in opisthobranch molluscs from the northeast Pacific Ocean: additional species from Southern California and supplemental data

Jacob, who also won a full four-year scholarship to the University of Massachusetts at Boston, studied the eyespots of planarian (freshwater flatworms) before and after regeneration for his project, Getting NERVEous.

Wachusett students fare well at state science fair

Among many other packaging products, Brick also offers polylam capsules and custom sizes, special shapes, fluting, eyespots, hot foil stamping and embossing as well as rotogravure printing with up to six colors.

Sparkling wine needs no glitz: tradition still the norm for growing sparkling wine segment

(1981): stage 1, no extruded eggs or traces of spermatophore; stage 2, new and intact spermatophore attached to the sternum; 3, newly extruded eggs (bright orange); 4, dark-orange eggs, with eyespots visible; 5, brown eggs with egg capsules translucent, and embryo and eyespots clearly visible; and 6, remnants of empty egg capsules or remains of eroded spermatophore.

Seasonal variation in brood size of the spiny lobster Panulirus gracilis (decapoda: palinuridae) in Mexican waters of the gulf of California

Developed conglutinates containing glochidia had eyespots anteriorly and two adhesive tails posteriorly, and resembled Simuliidae pupae (see photographs in Unio Gallery: http://unionid.missouristate.edu/gallery/Psubtentum/fluted.htm).