1. In certain unicellular algae, an organelle consisting of closely packed lipid globules (usually or always containing orange or red carotenoids); it is generally believed to be involved in phototaxis.
2. A disease of cereals caused by the fungus Pseudocercosporella herpotrichoides. Initially a dark smudge appears on the outer leaf-sheath, then an oval ‘eye-shaped’ lesion develops near the base of the plant, weakening the stem and leading to increasing susceptibility to lodging (i.e. being laid flat by weather). A similar disease, called sharp eyespot, is caused by Rhizoctonia solari.
"eyespot." A Dictionary of Plant Sciences. . Encyclopedia.com. (May 20, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/eyespot
"eyespot." A Dictionary of Plant Sciences. . Retrieved May 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/eyespot
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1. A structure found in some free-swimming unicellular algae and in plant reproductive cells that contains orange or red pigments (carotenoids) and is sensitive to light. It enables the cell to move in relation to a light source (see phototaxis).
2. A spot of pigment found in some lower animals, e.g. jellyfish.
3. An eyelike marking on the wings of certain insects, which is revealed in startle displays.
"eyespot." A Dictionary of Biology. . Encyclopedia.com. (May 20, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/eyespot-0
"eyespot." A Dictionary of Biology. . Retrieved May 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/eyespot-0