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Henry Turner. Turner syndrome (TS), also known as 45,X, or 45,X0, is a genetic disorder in which the patient's cells have only one X chromosome or are partially missing an X chromosome (sex chromosome monosomy) leading to the complete or partial deletion of the pseudoautosomal regions (PAR1, PAR2) in the affected X chromosome. [2][6][7] Most ...
Parsonage–Turner syndrome, also known as acute brachial neuropathy, neuralgic amyotrophy and abbreviated PTS, is a syndrome of unknown cause; although many specific risk factors have been identified (such as; post-operative, post-infectious, post-traumatic or post-vaccination). [4] It is also known as brachial plexitis, and results in ...
May–Thurner syndrome (MTS), also known as the iliac vein compression syndrome, [1] is a condition in which compression of the common venous outflow tract of the left lower extremity may cause discomfort, swelling, pain or iliofemoral deep vein thrombosis. Specifically, the problem is due to left common iliac vein compression by the overlying ...
Gonadal dysgenesis. Gonadal dysgenesis is classified as any congenital developmental disorder of the reproductive system characterized by a progressive loss of primordial germ cells on the developing gonads of an embryo. [1][2] One type of gonadal dysgenesis is the development of functionless, fibrous tissue, termed streak gonads, instead of ...
Turner's hypoplasia or Turner's tooth is a presentation of enamel hypoplasia that normally affects only a single tooth. Its causes can be the same as other forms of enamel hypoplasia, but it is most commonly associated with trauma to a primary maxillary central incisor and the subsequent developmental disturbance of the underlying permanent ...
Turner syndrome is the only full monosomy that is seen in humans — all other cases of full monosomy are lethal and the individual will not survive development. Cri du chat syndrome – (French for "cry of the cat" after the persons' malformed larynx) a partial monosomy caused by a deletion of the end of the short arm of chromosome 5
Turner syndrome is a condition in females in which there is partial or complete loss of one X chromosome. This causes symptoms such as growth and sexual development problems. In 15% of Turner syndrome patients, the structural abnormality is isochromosome X, which is composed of two copies of the q arm (i(Xq)).
Trisomy X, also known as triple X syndrome and characterized by the karyotype [note 1] 47,XXX, is a chromosome disorder in which a female has an extra copy of the X chromosome. It is relatively common and occurs in 1 in 1,000 females, but is rarely diagnosed; fewer than 10% of those with the condition know they have it.