<unk>  is a condition that involves malformations of human arms and legs. Although many factors can cause<unk> , the prominent roots come from the use of the drug thalidomide and from genetic inheritance. Occurrence in an individual results in various abnormalities to the face, limbs, ears, nose, vessels and many other underdevelopments. Although operations may improve some abnormalities, many are not surgically treatable due to the lack of nerves and other related structures. The term is from Ancient Greek φώκη phōkē, "seal (animal)" + -o- interfix + μέλος melos, "limb" + English suffix -ia).<unk>  is an extremely rare congenital disorder involving malformation of the limbs (dysmelia). Étienne Geoffroy Saint-Hilaire coined the term in 1836.
Phocomelia
Rhizomelia
Dolichostenomelia
Loxoscelism
Mesomelia
Sirenomelia
Meromelia
Adiposogenital dystrophy