Conus papillaris

The conus papillaris is a feature of the reptilian eye which originates from the ventro-temporal optic nerve head and rises into the vitreous.[1] It is believed to supply retinal nutrition.[2] It is similar in function to the avian pecten oculi.[1] It is functionless in adult crocodilians, and has been almost entirely replaced by other structures in most snakes.[1]

References
  1. Divers, Stephen J.; Mader, Douglas R. (2005-12-13). Reptile Medicine and Surgery. Elsevier Health Sciences. p. 340. ISBN 9781416064770.
  2. McMillan, Donald B.; Harris, Richard James (2018-06-04). An Atlas of Comparative Vertebrate Histology. Academic Press. ISBN 9780124095977.


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