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Medical genetics. Fraser syndrome (also known as Meyer-Schwickerath's syndrome, Fraser-François syndrome, or Ullrich-Feichtiger syndrome) is an autosomal recessive congenital disorder, [1][2] identified by several developmental anomalies. Fraser syndrome is named for the geneticist George R. Fraser, who first described the syndrome in 1962.
Clitoromegaly (or macroclitoris[1]) is an abnormal enlargement of the clitoris that is mostly congenital; it is otherwise acquired through deliberately induced clitoral enlargement e.g. body modification by use of anabolic steroids, including testosterone. [2][3][4][5] It can happen as part of a gender transition.
Disorders of sex development (DSDs), also known as differences in sex development or variations in sex characteristics (VSC), [2] [3] are congenital conditions affecting the reproductive system, in which development of chromosomal, gonadal, or anatomical sex is atypical. [4] DSDs is a clinical term used in some medical settings for what are ...
Frasier syndrome is inherited in an autosomal dominant fashion, indicating the need for only one mutated allele in a cell to lead to expression of the disease. Mutations predominantly occur de novo, allowing for expression in an individual that has no family history of it. The mutations occur during gamete formation or early in embryogenesis.
Purpose. Defines physical measurements of development. The Tanner scale (also known as the Tanner stages or sexual maturity rating (SMR)) is a scale of physical development as pre-pubescent children transition into adolescence, and then adulthood. The scale defines physical measurements of development based on external primary and secondary sex ...
v. t. e. The Prader scale or Prader staging, named after Andrea Prader, is a coarse rating system for the measurement of the degree of virilization of the genitalia of the human body [1][2] and is similar to the Quigley scale. It primarily relates to virilization of the female genitalia in cases of congenital adrenal hyperplasia (CAH) and ...
An autosomal recessive disorder of sex development, described as pseudovaginal perineoscrotal hypospadias (PPSH), was discovered in males in 1961. [39] The main feature of this syndrome was a vulva with the presence of bilateral testes and male urogenital tracts in which the ejaculatory ducts terminate in a blind-ending vagina. [ 4 ]
Fraser syndrome is a disorder that affects the development of the child prior to birth. Infants born with Fraser syndrome often have eyes that are malformed and completely covered by skin. Also the child is born with fingers and toes that are fused together along with abnormalities within the urine tract. [2]