1. (Bot.) The process of fertilization in plants by an indirect or
circuitous method; -- opposed to orthogamy.
2. (Biol.) That form of alternate generation in which two kinds of
sexual generation, or a sexual and a parthenogenetic generation,
alternate; -- in distinction from metagenesis, where sexual and asexual
generations alternate. Claus & Sedgwick.
Het`er*o*gan"gli*ate (?), a. [Hetero- + gangliate.] (Physiol.) Having
the ganglia of the nervous system unsymmetrically arranged; -- said of
certain invertebrate animals.