Insulin is made of 51 amino acids joined together. This method is used to determine the number and kind of chromosomes of the fetus and, when indicated, perform biochemical studies. Amniocytes Cells shed by the developing fetus and found in the surrounding amniotic fluid. Amyotrophy A type of diabetic neuropathy that causes muscle weakness and wasting. The generic term for an agent, usually a hormone like androsterone, or testosterone, that stimulates activity of the accessory male sex organs, encourages development of male sex characteristics, or prevents changes in the latter that follow castration.
Steroids are natural androgens.
Anemia Not enough red blood cells in the bloodstream, causing insufficient oxygen to the body's cells. Having an abnormal number of chromosomes other than the normal 23 pair of each per cell. While designed for use as an adjunct to standard cytogenetic analysis of fetal cells, the assay can be used alone in medically urgent situations. A picture or map of the blood vessels in a particular area of the body, usually produced by injecting a special dye into the blood vessels and taking x-ray pictures. In VHL, angiomas are made up of blood vessels and so are technically hemangiomas.