The terms "mother" and "father" as a defense against incest.
D000884:Anthropology, Cultural; D002657:Child Development; D005191:Family Characteristics; D005219:Father-Child Relations; D005260:Female; D006801:Humans; D007179:Incest; D007804:Language Development; D008297:Male; D009034:Mother-Child Relations; D009275:Names; D009769:Object Attachment; D010990:Pleasure-Pain Principle; D011574:Psychoanalytic Theory; D011578:Psycholinguistics; D011599:Psychopathology; D012043:Regression, Psychology; D012057:Reinforcement, Verbal; D012094:Repression, Psychology; D013561:Symbolism; D013609:Taboo