Kedu ihe kpatara na 'Age' abụghị ihe mgbochi, mana ' Mkpa ' bụ isi ihe? Ọtụtụ ụlọ ọrụ, mgbe ha na-akwado ndị ahịa ọgwụ dermal, na-adabakarị n'ọnyà nke ịnọgide na-enwe nchekasị nke afọ.' N'ezie, ịka nká anaghị amalite na mberede n'otu ụbọchị; kama, ọ bụ usoro nke ji nwayọọ nwayọọ na-aga n'ihu. Skeletal resorption - nke
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