Labels:text | screenshot | black | black and white OCR: ined by ar and A height velocity curve ( Fig. 14.2) is o plotting the height gained during each growth yields important information about th wth in pattern of a child. The three phases of there is a childhood are easily recognised: initial growth in period of rapid and rapidly deceleratin dy and infancy, with a subsequent period of st ldhood, slowly decelerating growth in middle h at followed by a rapid rise and fall of grov primarily le (GH), adolescence. These phases of growth a dependent on nutrition, growth horm and sex steroids, respectively.