Preferred Label : parapineal organ;
Uberon related term : parapineal gland;
Uberon Taxon note : In lampreys and apparently in some fossil fish, the parapineal body and the pineal
body (epiphysis) are a bilateral pair of structures rather than being located in series,
one in front of the other. A pair of visual structures may have been the ancestral
condition of this pineal complex (Weichert, 1970, p.622). The parapineal organs of
lampreys, tadpoles, and lizards possess cells similar to rods and cones. Frogs possess
a brow spot or frontal organ where ancestral pineal eye might have been (Weichert,
1970, p.622);
Origin ID : 0015241;
part of
