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Fragile X syndrome (FXS) is a genetic neurodevelopmental disorder characterized by mild-to-moderate intellectual disability. [1] The average IQ in males with FXS is under 55, while about two thirds of affected females are intellectually disabled.
The condition is commonly inherited in connection with fragile X syndrome (FXS), which is also the second most common genetic cause of intellectual disability. [1] The condition is also a rare sign of McCune–Albright syndrome. [2] The opposite of macroorchidism is called microorchidism, which is the condition of abnormally small testes.
Fountain syndrome; Foville's syndrome; Fragile X syndrome; Fragile X-associated tremor/ataxia syndrome; Franceschetti–Klein syndrome; Frank–ter Haar syndrome; Fraser syndrome; Frasier syndrome; Freeman–Sheldon syndrome; Frey's syndrome; Froin's syndrome; Fryns syndrome; Functional somatic syndrome
X-linked intellectual disability and macroorchidism (fragile X syndrome) X: X-linked spinal-bulbar muscle atrophy (spinal and bulbar muscular atrophy) X: Xp11.2 duplication syndrome Xp11.2: D [34] 1:1,000,000 X-linked severe combined immunodeficiency (X-SCID) X: X-linked sideroblastic anemia (XLSA) ALAS2 (X) 47,XXX (triple X syndrome) X C 1: ...
Fragile X-associated tremor/ataxia syndrome (FXTAS) is a late-onset neurodegenerative disorder most frequently seen in male premutation carriers of Fragile X syndrome (FXS) over the age of 50. [4] [5] The main clinical features of FXTAS include problems of movement with cerebellar gait ataxia and action tremor.
FG syndrome's major clinical features include physical disability, usually mild; hyperactive behavior, often with a slow personality; severe constipation, with or without structural anomalies in the anus such as imperforate anus; macrocephaly; severe hypotonia; a characteristic facial appearance due to hypotonia, giving a droopy, "open-mouthed" expression, a thin upper lip, a full or pouting ...
A Tennessee man has a rare disorder that causes faces to appear distorted in shape, size, texture or color. To him, images show, they look demonic. Rare disorder causes man to see 'demonic' faces
The first trinucleotide repeat disease to be identified was fragile X syndrome, which has since been mapped to the long arm of the X chromosome. Patients carry from 230 to 4000 CGG repeats in the gene that causes fragile X syndrome, while unaffected individuals have up to 50 repeats and carriers of the disease have 60 to 230 repeats.