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Hitchhiker's thumb; Other names: Distal hyperextensibility of the thumb, thumb hypermobility, Z-shaped deformity, [1] duck-bill thumb [2] Example of bilateral hitchhiker's thumb: Specialty: Medical genetics: Symptoms: A thumb that can bend backwards at more than a 90° degree angle: Complications: If it presents as an isolated trait, none ...
Ehlers–Danlos syndrome is a genetic disorder caused by mutations or hereditary genes, but the genetic defect that produced hEDS is largely unknown. In conjunction with joint hypermobility, a common symptom for hEDS is smooth, velvety, and stretchy skin; a symptom largely unique to the syndrome.
Brachydactyly type D, also known as short thumb, [3] [1] stub thumb, [5] [6] or clubbed thumb, [5] [6] is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.
It has been suggested that the variation is an autosomal recessive trait, called a hitchhiker's thumb, with homozygous carriers having an angle close to 90°. [32] However this theory has been disputed, since the variation in thumb angle is known to fall on a continuum and shows little evidence of the bi-modality seen in other recessive genetic ...
Diastrophic dysplasia is an autosomal recessive [2] dysplasia which affects cartilage and bone development. ("Diastrophism" is a general word referring to a twisting.) [3] Diastrophic dysplasia is due to mutations in the SLC26A2 gene.
Midas’ genetic mutation shot him to fame almost immediately. His Instagram account has garnered 339k followers since it was created. His "first day at home" post got over 7,000 likes, while a ...
It is somewhat similar to other genetic connective tissue disorders such as Ehlers–Danlos syndromes. There is a strong association between HSD and neurodevelopmental disorders such as attention deficit hyperactivity disorder and autism spectrum disorder. [4]
The cold case killing of a Wisconsin hitchhiker has been solved 50 years later thanks to a DNA breakthrough from evidence pulled from a hat that the accused killer left behind at the scene.