Share this entry

Share this page

radula

Saltos de línea: rad¦ula
Pronunciación: /ˈradjʊlə
 
/

Definición de radula en inglés:

sustantivo (plural radulae /-liː/)

Zoology
(In a mollusc) a rasp-like structure of tiny teeth used for scraping food particles off a surface and drawing them into the mouth.
Example sentences
  • Most mollusks use the radula to break up food, but the cone snail uses it to inject venom.
  • In some chitons, the radula has teeth tipped with magnetite, which hardens them.
  • Once the prey is snared it is bitten with strong beak-like jaws and pulled into the mouth by the radula.

Origen

late 19th century: from Latin, literally 'scraper', from radere 'to scrape'.

Derivados

radular

1
adjetivo
Example sentences
  • It is significant that a minority of ammonites and incirrate octopods have radular teeth of this type, or exhibit much size dimorphism.
  • Based on radular and soft-tissue morphology and personal observation of feeding behaviors, it appears that species from both regions feed suctorially with the assistance of a diminutive radula.
  • Major interneurons fire cyclically during feeding in the radular retraction phase of the protraction/retraction cycle and drive many other retraction neurons.

Definición de radula 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…