Examlex
What are coronae on the surface of Venus?
African Descent
People whose ancestors originated from the continent of Africa.
Chorionic Villi Sampling
A prenatal test that involves taking a sample of the chorionic villi from the placenta to test for chromosomal abnormalities and certain genetic conditions in the fetus.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing wastes from the fetus.
Tissue Sample
A small amount of bodily tissue collected for analysis to diagnose or study diseases, conditions, or infections.
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