--subdivision Aging under individual organs and regions of the body and individual animals and groups of animals, e.g. Heart--Aging; Foot--Aging; Cattle--Aging; Fishes--Aging
Here are entered works on the physical, psychological and social growth of normal children. Works on the psychological growth and characteristics of children are entered under Child psychology.
Here are entered works on the growth and differentiation of the nervous system. Works limited to the growth of the nervous system are entered under Nervous system--Growth.