(In some reptiles and lower vertebrates) an eyelike structure on the top of the head, covered by almost transparent skin and derived from or linked to the pineal body.
- 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.
For editors and proofreaders
Syllabification: pin·e·al eye
Definition of pineal eye in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.