pineal eye defined in 1951 yearpineal eye - pineal eye;
pineal eye - See also: Pineal apparatus. Pineal eye is a vesicle, formed as diverticulum of brain. In most complete form outer layer of vesicle becomes a lens (unlike vertebrate paired eyes, See also: Lens), inner layer a retina connected by nerve to brain. There is a gap in skull above the eye, and skin covering is almost transparent. Nerve however usually degenerates in adult reptile, though not in lamprey. Function unknown.
near pineal eye in Knolik
definition of word "pineal eye" was readed 992 times