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Pfeiffer syndrome is a rare genetic disorder, characterized by the premature fusion of certain bones of the skull ( craniosynostosis ), which affects the shape of the head and face. The syndrome includes abnormalities of the hands and feet, such as wide and deviated thumbs and big toes. Pfeiffer syndrome is caused by mutations in the fibroblast ...
Crouzon syndrome is an autosomal dominant genetic disorder known as a branchial arch syndrome. Specifically, this syndrome affects the first branchial (or pharyngeal) arch, which is the precursor of the maxilla and mandible. Because the branchial arches are important developmental features in a growing embryo, disturbances in their development ...
Apert syndrome is a form of acrocephalosyndactyly, a congenital disorder characterized by malformations of the skull, face, hands and feet. It is classified as a branchial arch syndrome, affecting the first branchial (or pharyngeal) arch, the precursor of the maxilla and mandible. Disturbances in the development of the branchial arches in fetal ...
1:30,000 (males), 1:125,000 (females) Kallmann syndrome ( KS) is a genetic disorder that prevents a person from starting or fully completing puberty. Kallmann syndrome is a form of a group of conditions termed hypogonadotropic hypogonadism. To distinguish it from other forms of hypogonadotropic hypogonadism, Kallmann syndrome has the additional ...
1 in 5,000–10,000 [4] Marfan syndrome ( MFS) is a multi-systemic genetic disorder that affects the connective tissue. [6] [7] [1] Those with the condition tend to be tall and thin, with long arms, legs, fingers, and toes. [1] They also typically have exceptionally flexible joints and abnormally curved spines. [1]
Jackson–Weiss syndrome ( JWS) is a genetic disorder characterized by foot abnormalities and the premature fusion of certain bones of the skull ( craniosynostosis ), which prevents further growth of the skull and affects the shape of the head and face. This genetic disorder can also sometimes cause intellectual disability and crossed eyes. [2]
Following that, there is a list of people who are often wrongly believed to have had synesthesia because they used it as a device in their art, poetry or music (referred to as pseudo-synesthetes). Estimates of prevalence of synesthesia have ranged widely, from 1 in 4 to 1 in 25,000 – 100,000. However, most studies have relied on synesthetes ...
Aarskog–Scott syndrome ( AAS) is a rare disease inherited as X-linked and characterized by short stature, facial abnormalities, skeletal and genital anomalies. [2] This condition mainly affects males, although females may have mild features of the syndrome. [3] [4]