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phocomelia
Phocomelia (from Gr. φώκ|η ''pʰṓk|ē'', "seal (animal)" + ''o'' interfix + μέλ|ος ''mél|os'', "limb" + Eng. suff. –ia) is an extremely rare congenital disorder involving malformation of the limbs (dysmelia). Étienne Geoffroy Saint-Hilaire coined the term in 1836.
Although many factors can cause phocomelia, the prominent roots come from the use of the drug thalidomide and from genetic inheritance. The occurrence of this malformation in an individual results in various abnormalities to the face, limbs, ears, nose, vessels and many other underdevelopments. Although operations can be done to fix the abnormality it is difficult due to the lack of nerves, bones, and other related structures.
==Causes==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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