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From Biology-Online Dictionary | Biology-Online Dictionary
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(Science: paediatrics) The period during which the secondary sex characteristics begin to develop and the capability of sexual reproduction is attained.

Origin: L. Pubertas The time of life when sex glands become functional.The beginning of adolescence in humans where they are able to produce functional gametes for reproduction and secondary sex characteristics begin to develop due to the changing level of hormones associated with puberty.