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Teratogens
(Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-01-22)
Teratogens are substances that may produce physical or functional defects in the human embryo or fetus after the pregnant woman is exposed to the substance. Alcohol and cocaine are examples of such substances. Exposure to ...
Fetal Alcohol Syndrome (FAS)
(Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-01-30)
The concept Fetal Alcohol Syndrome (FAS) refers to a set of birth defects that occur in children born to mothers who abused alcohol during pregnancy. The alcohol-induced defects include pre- and post-natal growth deficiencies, ...
Congenital Rubella Syndrome (CRS)
(Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-01-14)
Congenital rubella syndrome (CRS) can occur in children whose mothers contracted the rubella virus, sometimes called German measles, during pregnancy. Depending on the gestational period when the mother contracts rubella, ...
Fetus in Fetu
(Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-08-16)
Fetus in fetu is a rare variety of parasitic twins , where the developmentally abnormal parasitic twin is completely encapsulated within the torso of the otherwise normally developed host twin. In the late eighteenth ...