A yellowish aromatic heterocyclic compound that is the parent structure of many dyes and fluorescein-related compounds.

Relating to a yellow color or having a yellowish tint.

A yellow crystalline compound found in some biological tissues and related to xanthine.

A medical term referring to yellow discoloration of the skin.

A yellowish deposit of fatty material in the skin or tendons.

A yellow carotenoid pigment found in plants and some algae.

A medical condition characterized by yellow discoloration of the skin or tissues.

A term referring to the phenomenon of light perception from foreign objects or sources.