Turner Syndrome

Sorry, no news articles match your request. Your search criteria may be too narrow.

Turner syndrome or Ullrich-Turner syndrome (also known as "Gonadal dysgenesis":550) encompasses several conditions in human females, of which monosomy X (absence of an entire sex chromosome, the Barr body) is most common. It is a chromosomal abnormality in which all or part of one of the sex chromosomes is absent (unaffected humans have 46 chromosomes, of which two are sex chromosomes). Normal females have two X chromosomes, but in Turner syndrome, one of those sex chromosomes is missing or has other abnormalities. In some cases, the chromosome is missing in some cells but not others, a condition referred to as mosaicism or 'Turner mosaicism'.

Occurring in 1 in 2000 – 1 in 5000 phenotypic females, the syndrome manifests itself in a number of ways. There are characteristic physical abnormalities, such as short stature, swelling, broad chest, low hairline, low-set ears, and webbed necks. Girls with Turner syndrome typically experience gonadal dysfunction (non-working ovaries), which results in amenorrhea (absence of menstrual cycle) and sterility. Concurrent health concerns are also frequently present, including congenital heart disease, hypothyroidism (reduced hormone secretion by the thyroid), diabetes, vision problems, hearing concerns, and many autoimmune diseases. Finally, a specific pattern of cognitive deficits is often observed, with particular difficulties in visuospatial, mathematical, and memory areas.

Turner's syndrome is named after Henry H. Turner.

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

Walking in nature found to reduce rumination

(Medical Xpress)—A team of researchers working at Stanford University has found that people walking in a "natural" environment tend to engage in less rumination. In their paper published in Proceedings of ...

Can autism be measured in a sniff?

Imagine the way you might smell a rose. You'd take a nice big sniff to breathe in the sweet but subtle floral scent. Upon walking into a public restroom, you'd likely do just the opposite—abruptly limiting ...

Sugary drinks linked to high death tolls worldwide

Consumption of sugary drinks may lead to an estimated 184,000 adult deaths each year worldwide, according to research published today in the journal Circulation and previously presented as an abstract at the ...