Definition of pineal eye in English:
(In some reptiles and lower vertebrates) an eye-like structure on the top of the head, covered by almost transparent skin and derived from or linked to the pineal.
- A pineal eye was present, although not usually open to the surface.
- Researchers at the University of Maryland have found that larval blind cavefish retain a functioning pineal eye that is capable of detecting light.
Definition of pineal eye in:
- US English dictionary
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