单词	alphafetoprotein
释义	alphafetoprotein /ˌalfəˌfiːtəʊˈprəʊtiːn / noun [mass noun] Medicine A protein produced by a fetus which is present in amniotic fluid and the bloodstream of the mother. Levels of the protein can be measured to detect certain congenital defects such as spina bifida and Down’s syndrome.There is a marked rise in the levels of alphafetoprotein when the foetus has spina bifida.... It has a detection rate for Down's syndrome comparable with the more commonly used second-trimester screening using four serum markers (alphafetoprotein, [beta] hCG, unconjugated estriol, inhibin-A). Immunohistochemistry showed that the tumor cells were diffusely reactive to alphafetoprotein, alpha 1, antitrypsin, and cytokeratin.
随便看	polychromatic polychromatic normoblast polychromatise polychromatism polychromatize polychromatophil polychromatophile polychromatophilia polychromatophilic polychrome polychromic polychromism polychromist stick in one's throat (or craw) stick insect stick-in-the-mud stick it to stickleback stickler sticklike stick-nest rat stick one (or it) on stick one's neck out stick (or poke) one's bib in stick out

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