eyespot

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• Eyespot — can mean: * Eyespot (mimicry), a color mark that looks somewhat like an eye, sometimes called ocellus. * Eyespots, sensory organs in flatworms * Eyespot apparatus (or stigma ), a photoreceptive organelle found in the flagellate (motile) cells… …   Wikipedia

• eyespot — [ī′spät΄] n. 1. a spot of color that looks like an eye 2. a small spot of pigment associated with sensitivity to light, found in many invertebrates …   English World dictionary

• eyespot — /uy spot /, n. 1. a sensory organ of lower animals, having a light perceiving function. 2. an eyelike spot, as on the tail of a peacock; eye. 3. Plant Pathol. a disease of plants, characterized by elliptical lesions on the leaves and stems,… …   Universalium

• Eyespot (wheat) — Eyespot is an important fungal disease of wheat caused by the necrotrophic fungus Tapesia yallundae ( Pseudocercosporella herpotrichoides W type [anamorph] ) and Tapesia acuformis ( Pseudocercosporella herpotrichoides R type [anamorph] ). It is… …   Wikipedia

• Eyespot apparatus — The eyespot apparatus (or stigma ) is a photoreceptive organelle found in the flagellate (motile) cells of green algae and other unicellular photosynthetic organisms such as euglenids. It allows the cells to sense light direction and intensity… …   Wikipedia

• Eyespot skate — Taxobox name = Eyespot skate status = VU | status system = IUCN3.1 regnum = Animalia phylum = Chordata classis = Chondrichthyes ordo = Rajiformes familia = Arhynchobatidae genus = Atlantoraja species = A. cyclophora binomial = Atlantoraja… …   Wikipedia

• Eyespot (mimicry) — An eyespot (sometimes ocellus) is an eye like marking. They are found on butterflies, reptiles and birds. In members of the Felidae family (such as the Leopard Cat and leopard), ocelli are white circular markings on the backs of the ears.Eyespots …   Wikipedia

• eyespot — noun Date: 1862 1. a spot of color 2. a. a simple visual organ of pigment or pigmented cells covering a sensory termination ; ocellus b. a small pigmented body of various unicellular algae 3. any of several fungal diseases of cultivated grasses… …   New Collegiate Dictionary

• eyespot — noun a) Any of various primitive light sensitive organs or regions in many diverse organisms. b) An eye like marking on the tail of a peacock or the wing of a butterfly …   Wiktionary

• eyespot — 1. A colored spot or plastid (chromatophore) in a unicellular organism. 2. SYN: ocellus (1). * * * eye·spot ī .spät n 1) a simple visual organ of pigment or pigmented cells covering a sensory termination: OCELLUS …   Medical dictionary

• eyespot — n. (Biology) primitive eye like receptor that is light sensitive and helps orient an organism (in primitive single celled organisms) …   English contemporary dictionary