Anomalous conditions present at birth as a result of either hereditary or environmental influences during prenatal development, often referred to as birth defects.
This category consists almost entirely of links to subcategories for more specific medical classes of congenital anomalies. Use these links to find the best category for your site. In addition, the Health/Conditions_and_Diseases/Genetic_Disorders category should be used for those defects that are primarily hereditary.
Craniofacial abnormalities are congenital musculoskeletal disorders which primarily affect the cranium and facial bones.
Jacobsen Syndrome (11q Deletion, or 11q-) is a rare chromosomal abnormality which affects perhaps one child in 100,000 in which a portion of the 11th chromosome is missing. It was discovered by Dr. P. Jacobsen in 1973. At that time, the disease was named "Jacobsen Syndrome."