Sentence:  At the top of Figure 5 , for example , the Onset range and Completion range lines for the chosen <WSD>growth</WSD> center have been drawn for girls according to their mean and standard deviation values in Table 1 . 
Meaning of the word marked with <WSD> tags:  (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level