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′)
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.
References in periodicals archive ?
12, 13); three small eyespots located at near lateral margin of each anterolateral propeltidium lobe (Fig.
Eyespots are visible above the apical organ at 15 days post-amputation (Figs.
(1997) described two cercariae similar to Furcocercaria XX in the number of flame cells (10) and the presence of non-pigmented eyespots: Furcocercaria sp.
To examine the mechanisms that give rise to eyespot effects, we designed a randomized experiment imbedded in an online survey about politics.
Caption: CRISPR/Cas9 can genetically manipulate butterflies; cutting a gene called Distal-less causes more eyespots (right) than appear on a normal wing (left).
Keys et al., "Pattern formation and eyespot determination in butterfly wings," Science, vol.
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).
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.
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.
(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.
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).