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dysgenesis |
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dysgenesis /dys·gen·e·sis/ (-jen´ĕ-sis) defective development; malformation. gonadal dysgenesis defective development of the gonads, which may be accompanied by abnormalities of the sex chromosomes; sometimes used specifically to denote Turner's syndrome.
dysgenesis [disjen′əsis] Etymology: Gk, dys + genein, to produce 1 also called dysgenesia. defective or abnormal formation of an organ or part, primarily during embryonic development. 2 impairment or loss of ability to procreate. A kind of dysgenesis is gonadal dysgenesis. Compare agenesis. dysgenic, adj. dysgenesis defective development; malformation. Patient discussion about dysgenesis. Q. Is it a birth defect in children? I know about the causes of autism. Is it a birth defect in children? A. it's not an easy answer i'm afraid...there are congenital differences, but no "birth defect" that we can detect. there's a good pdf file that gives a full explanation about it...i think you'll find it useful: Read more or ask a question about dysgenesishttp://209.85.129.132/search?q=cache:U7PHTfTAZhYJ:www.nichd.nih.gov/publications/pubs/upload/autism_overview_2005.pdf+http://www.nichd.nih.gov/publications/pubs/upload/autism_overview_2005.pdf&hl=iw&ct=clnk&cd=1&gl=il How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The prevalence of thyroid dysgenesis in iodine-sufficient regions is approximately 1 per 4,000 newborns (Fisher 1996) and has been reported to account for up to 80% of cases of congenital hypothyroidism (Foley 2000). The study sample of 37 participants includes ten persons with complete androgen insensitivity (CAIS), five with partial androgen insensitivity (PALS), four women with CAH, two women with progestogen-induced clitoromegaly, one each of Klinefelter's syndrome in a male and Turner's syndrome in a female, six miscellaneous patients including gonadal dysgenesis, micropenis, true hermaphroditism, and at least two with hypospadias, plus eight for whom the diagnosis is unknown. Alopecia universalis congenita, XY gonadal dysgenesis and laryngomalacia: A novel malformation syndrome. |
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