alphafetoprotein
/ˈælfəˌfiːtəˈprəʊtiːn/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.【医】甲胎蛋白。