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Turner syndrome (TS), commonly known as 45,X, or 45,XO, [note 1] is a chromosomal disorder in which 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.
This includes patients with Turner Syndrome (45,X or 45,X0) and Klinefelter Syndrome (47,XXY) even though they do not generally present with atypical genitals. XX, Sex reversal : consist of two groups of patients with male phenotypes, the first with translocated Sex-determining region Y protein (SRY) and the second with no SRY gene.
Henry Hubert Turner (August 28, 1892 – August 4, 1970) was an American endocrinologist, noted for his published description of Turner syndrome in 1938 at the annual meeting of the Association for the Study of Internal Secretions.
After the failure of the 1848 Revolution in Germany, the Turner movement was suppressed, and many Turners left Germany, some emigrating to the United States, especially to the Ohio Valley region, Wisconsin, Missouri, and Texas. Several of these Forty-Eighters went on to become Union soldiers, and some became Republican politicians. [2]
The Turner syndrome was described as "a syndrome of infantilism" by Henry Turner himself. [2] Terms such as "genital infantilism" (infantilism in development of genitals, hypogenitalism), or "sexual infantilism" (lack of sexual development after expected puberty or delayed puberty) may still be seen, and are considered to be synonyms of ...
The etiology may be congenital and idiopathic, posttraumatic, postinfection, iatrogenic, or secondary to a systemic disease such as cancer, sickle cell disease, pseudohyperparathyroidism, Turner's syndrome, Down syndrome, Apert syndrome, athyroidism, or osteodystrophy. [2] It most frequently involves the fourth metatarsal.
Chopra says Rodgers was immediately “really trusting” with him and Hughes, adding that throughout their year working together on the documentary, Rodgers “was very open and vulnerable.”
Almost all women with regular Turner syndrome are sterile, but those with 47,XXX cell lines are typically fertile. [29] Although women with trisomy X have lower IQs than the general population and women with Turner syndrome do not, intellectual disability does not appear to be more common in the mosaic than for non-mosaic Turner's. [ 30 ]