| presumptive region | In experimental embryology, an area of the blastula from which a specific tissue or organ may be expected to develop. (05 Mar 2000) |
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| precocious puberty | Condition in which pubertal changes begin at an unexpectedly early age; often the result of a pathological process involving a gland capable of secreting oestrogens or androgens, e.g., the ovary or the adrenal cortex. Synonym: pubertas praecox. (05 Mar 2000) |
| puberty | <paediatrics> The period during which the secondary sex characteristics begin to develop and the capability of sexual reproduction is attained. Origin: L. Pubertas (18 Nov 1997) |
| puberty, delayed | Unusually late sexual maturity. (12 Dec 1998) |
| puberty, precocious | Unusually early sexual maturity. (12 Dec 1998) |