antigen n. any substance that is treated by the immune syst...
ovum n. (pl. ova) a single female gamete that d...
conarium n. in the theory of René Descartes, the point of c...
phencyclidine intoxication in DSM–IV–TR and DSM–5, a revers...
negative tropism the orientation of an organism away from a...
language retardation delayed acquisition of language skills...