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malformation

A body part or organ that formed in an abnormal way before birth.

mal-for-MAY-shun noun

Word parts

mal- badformation shaping

What it means

Malformations range from minor, such as an extra finger, to serious, such as heart defects, cleft lip and palate or spina bifidaSPY-nuh BIF-ih-duhA birth defect in which the bones of the spine do not close completely around the spinal cord.spina spinebifida split in two (Latin)Full entry . Causes include genes, infections, drugs, alcohol and lack of folic acid in pregnancy. An arteriovenous malformation (AVM) is a tangle of abnormal blood vessels.

At a glance

Spanishmalformación
Also writtenmalformations

Related terms

spina bifida

A birth defect in which the bones of the spine do not close completely around the spinal cord.

patent ductus arteriosus

A heart defect in which the ductus arteriosus, a blood vessel between the aorta and pulmonary artery, stays open after birth.

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