Failure of the pineal body of 2 species of birds(Coturnix coturnix japonica and Passer domesticus) to show electrical responses to illumination.
D000818:Animals; D001717:Birds / Q000502:physiology*; D005071:Evoked Potentials; D005260:Female; D008027:Light; D008297:Male; D010870:Pineal Gland / Q000502:physiology* / Q000528:radiation effects; D011830:Radiation Effects