Applied physiology: understanding growth
Abstract
The process of growth can be considered to occur in four phases, namely intrauterine, infancy, early childhood and the pubertal growth spurt. Each of these components is regulated by different factors. During the intrauterine life growth is regulated by genetic, maternal, nutritional, placental and growth promoting factors. In infancy growth is dependent upon nutrition, whereas in early childhood growth hormone and thyroid hormones become important in regulating growth. Finally, the pubertal growth spurt is controlled by a combination of growth hormone and sex steroids.
Keywords: growth, growth factors, hormones
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- f1 Correspondence to: MP. E-mail: m.preece@ich.ucl.ac.uk
PII: S0957-5839(01)90211-8
doi:10.1054/cupe.2001.0211
© 2001 Harcourt Publishers Ltd. All rights reserved.

