Share this entry

Share this page

eyespot

División en sílabas: eye·spot
Pronunciación: /ˈīspät
 
/

Definición de eyespot en inglés:

sustantivo

1 Zoology A light-sensitive pigmented spot on the bodies of invertebrate animals such as flatworms, starfishes, and microscopic crustaceans, and also in some unicellular organisms.
Example sentences
  • However, when the pigmented eyespot is absent, the light penetrates the body and the front-to - back contrast is reduced.
  • They do not have image-forming eyes, but many species have pigment cells and photoreceptors concentrated into eyespots.
  • However, pigmented eyespots are visible in wild-type larvae and late-stage embryos.
2A rounded eyelike marking on an animal, especially on the wing of a butterfly or moth.
Example sentences
  • The bodies are light and ill-defended, except for the armored face, which is designed to draw attacks to it, like the eyespots on butterfly wings.
  • The beautiful eyespots on butterfly wings are thought to rely on the principles described above, although involving more morphogens.
  • The colorful eyespots on butterfly wings may be patterned by a mechanism similar to that used to organize the proximo-distal axis of the insect leg.
3A fungal disease of cereals, sugar cane, and other cultivated grasses, characterized by yellowish oval spots on the leaves and stems.
  • The fungus is typically Pseudocercosporella herpotrichoides, subdivision Deuteromycotina
Example sentences
  • The percentage of stems affected by damaging lesions of eyespot at 22.1pc was the highest on record.
  • The pathogen survives on corn debris, so reduced tillage and continuous corn create a high-risk environment for development of eyespot, especially if there is heavy residue and a history of it in that location.
  • Where eyespot is over threshold the preferred fungicide would be cyprodinil although Punch and Landmark both have some activity against eyespot and can give useful control.

Definición de eyespot en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día Noel
Pronunciación: nəʊˈɛl
noun
Christmas…