Embryo Project Encyclopedia Articles

Anencephaly is an open neural tube defect, meaning that part of the neural tube does not properly close or that it has reopened during early embryogenesis. An embryo with anencephaly develops without the top of the skull, but retains a partial skull, including the face. Anencephaly is one of the most common birth defects of the neural tube, occurring at a rate of approximately one in one thousand human pregnancies. The condition can be caused by environmental exposure to chemicals, dietary deficiencies, or genetic mutations.

Julia Bell worked in twentieth-century Britain, discovered Fragile X Syndrome, and helped find heritable elements of other developmental and genetic disorders. Bell also wrote much of the five volume Treasury of Human Inheritance, a collection about genetics and genetic disorders. Bell researched until late in life, authoring an original research article on the effects of the rubella virus of fetal development (Congenital Rubella Syndrome) at the age of 80.

In the 1971 court case United States v. Milan Vuitch, hereafter US v. Vuitch, the US Supreme Court ruled that a Washington, DC law was constitutional by overturning a 1969 district court decision. Beginning in the early twentieth century, Washington, DC, prohibited abortions except for abortions performed to preserve the life or health of the pregnant woman. In 1969, Milan Vuitch, a physician in Washington, DC, was convicted of criminal abortion for providing an abortion when the woman’s life was not endangered. In his defense, Vuitch argued that the Washington abortion law was unconstitutionally vague, meaning it failed to define health in terms clear enough so that doctors could be sure what actions violated the law. Though a lower district court agreed with Vuitch and struck down the law as unconstitutional, the Supreme Court later disagreed and overturned the decision. US v. Vuitch was one of the first US Supreme Court cases that challenged the constitutional validity of laws regulating abortion and set a precedent that helped determine future abortion cases, like Roe v. Wade in 1973, which made abortions more accessible and gave women more control over their bodies.