Here are entered systematic descriptions of mental disorders. Popular works and works on social aspects of mental disorders are entered under Mental illness. Works on clinical aspects of mental disorders, including therapy, are entered under Psychiatry.
--subdivision Abnormalities under individual animals and groups of animals and individual organs and regions of the body, e.g. Cattle--Abnormalities; Fishes--Abnormalities; Heart--Abnormalities; and subdivision Spermatozoa--Abnormalities under individual animals and groups of animals, e.g. Cattle--Spermatozoa--Abnormalities; Fishes--Spermatozoa--Abnormalities