Duplex retina

A duplex retina is a retina consisting of both rod cells and cone cells.[1] In contrast to duplex retinas, pure rod and pure cone retinas have only rods or cones, respectively.[2] Duplex retinas increase the range of light intensities that can be viewed, as rod cells can detect light at scotopic and mesopic intensities, while cone cells can detect light at mesopic and photopic intensities.[3]

References

  1. ↑ Gruber, Samuel H.; Gulley, Robert L.; Brandon, Janet (1 July 1975). "Duplex Retina in Seven Elasmobranch Species". Bulletin of Marine Science. 25 (3): 353–358.
  2. ↑ Valen, Ragnhild; Eilertsen, Mariann; Edvardsen, Rolf Brudvik; Furmanek, Tomasz; Rønnestad, Ivar; van der Meeren, Terje; Karlsen, Ørjan; Nilsen, Tom Ole; Helvik, Jon Vidar (2016-08-15). "The two-step development of a duplex retina involves distinct events of cone and rod neurogenesis and differentiation". Developmental Biology. 416 (2): 389–401. doi:10.1016/j.ydbio.2016.06.041. ISSN 0012-1606. PMID 27374844.
  3. ↑ "Photopic vs Scotopic Vision". isle.hanover.edu. Retrieved 2021-10-18.


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