9 词条主页 > 词条 > 拉丁美洲西班牙语 (XL) > papiloma
papiloma
A circumscribed benign epithelial tumor projecting from the surrounding surface; more precisely, a benign epithelial neoplasm consisting of villous or arborescent outgrowths of fibrovascular stroma covered by neoplastic cells.
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deriva genética
Changes in the frequencies of alleles in a population that occur by chance, rather than because of natural selection.
