Abstract
Congenital fusion of bones of the limbs, a recurrent feature in thalidomide embryopathy, is discussed in terms of embryology. It is deduced that congenital fusion is neither a bone disease nor a cartilage disease, but a disorder of organisation of mesenchyme in the fifth week of life. It is suggested that the organising tissue is the sensory nerve. Hereditary influence is briefly mentioned.
MeSH terms
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Abnormalities, Drug-Induced*
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Bone Development
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Bone and Bones / abnormalities*
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Bone and Bones / embryology
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Carpal Bones / abnormalities
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Cartilage / abnormalities
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Cartilage / embryology
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Child, Preschool
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Elbow Joint / abnormalities
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Extremities / diagnostic imaging
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Extremities / embryology
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Female
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Fibula / abnormalities
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Gestational Age
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Humans
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Infant, Newborn
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Limb Deformities, Congenital
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Male
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Periosteum / embryology
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Pregnancy
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Radiography
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Radius / abnormalities
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Synostosis / chemically induced*
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Teratogens
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Thalidomide / adverse effects*
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Tibia / abnormalities
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Ulna / abnormalities