Optic Lobe, Nonmammalian

**Definition:** In invertebrate zoology, a lateral lobe of the FOREBRAIN in certain ARTHROPODS. In vertebrate zoology, either of the corpora bigemina of non-mammalian VERTEBRATES. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1329)

**Tree numbers:** - A13.686

**Synonyms:** - Corpora Bigemina - Optic Lobe, Non-Mammalian