retinal cone definición, retinal cone significado | diccionario de inglés definición

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cone  


      n  
1   
a    a geometric solid consisting of a plane base bounded by a closed curve, usually a circle or an ellipse, every point of which is joined to a fixed point, the vertex, lying outside the plane of the base. A right circular cone has a vertex perpendicularly above or below the centre of a circular base. Volume of a cone: 1/3 <Gpi>r2h, where r is the radius of the base and h is the height of the cone  
b    a geometric surface formed by a line rotating about the vertex and connecting the peripheries of two closed plane bases, usually circular or elliptical, above and below the vertex  
   See also       conic section  
2    anything that tapers from a circular section to a point, such as a wafer shell used to contain ice cream  
3   
a    the reproductive body of conifers and related plants, made up of overlapping scales, esp. the mature female cone, whose scales each bear a seed  
b    a similar structure in horsetails, club mosses, etc.,   (Technical name)    strobilus  
4    a small cone-shaped bollard used as a temporary traffic marker on roads  
5      (Also called)    retinal cone          any one of the cone-shaped cells in the retina of the eye, sensitive to colour and bright light  
      vb  
6    tr   to shape like a cone or part of a cone  
     (C16: from Latin conus, from Greek konus pine cone, geometrical cone)  
Diccionario de inglés definición  
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retina  
      n   pl   , -nas, -nae   the light-sensitive membrane forming the inner lining of the posterior wall of the eyeball, composed largely of a specialized terminal expansion of the optic nerve. Images focused here by the lens of the eye are transmitted to the brain as nerve impulses  
     (C14: from Medieval Latin, perhaps from Latin rete net)  
   retinal             adj  


retinal rivalry  
      n     (Psychol)      another name for       binocular rivalry  

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