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