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Definition Developmental disorders of the vagina and vulva include many different structural problems that occur while the baby is developing in the mother's womb. Causes, incidence, and risk factors Abnormalities of the female vagina and vulva include: Imperforate hymen -- The hymen is a thin tissue that partly covers the opening to the vagina. An imperforate hymen completely blocks the vaginal opening, so menstrual blood or mucus cannot flow out of the body. This often leads to painful swelling of the vagina. Sometimes the hymen has only a very small opening. This problem may not be discovered until puberty. Some baby girls are born without a hymen. Vaginal abnormalities -- A baby girl may be born without a vagina or have the vaginal opening blocked by a layer of cells that are higher up in the vagina than where the hymen is. A missing vagina is most often due to Mayer-Rokitansky-Kuster-Hauser syndrome. In this syndrome, the baby is missing part or all of the internal reproductive organs...
Gas gangrene is a potentially deadly form of tissue death (gangrene) .
See also: Necrotizing subcutaneous infection
Tissue infection - Clostridial; Gangrene - gas; Myonecrosis; Clostridial infection of tissues
Causes, incidence, and risk factors
Gas gangrene is rare in the United States. The condition is most often caused by a bacteria called Clostridium perfringens. However, it also can be caused by Group A streptococcus. Staphylococcus aureus and Vibrio vulnificus can cause similar infections.
is present in most environments. As the bacteria grow, they can produce gas in body tissues and produce many different toxins that can damage tissues. Under low-oxygen ( anaerobic
) conditions, Clostridium
that cause tissue death and related symptoms.
Gas gangrene generally occurs at the site of trauma or a recent surgical wound. The onset of gas gangrene is sudden and dramati...
What do humans have in common with bike tires and those cartoon-character balloons that are hauled down parade routes on holidays? All three contain gas.
According to the National Institute of Health (NIH), it's common for people to produce one-half to two quarts of gas a day, expelling it in up to 14 daily bursts. Some gas gets into people's digestive tracts after they swallow it from the surrounding air. But some gas is there because bacteria in the colon produce it after munching on undigested material.
Some people may find gas in their digestive tract to be particularly uncomfortable . This is called bloating . Gas discomfort is a common symptom that in most cases doesn't point to a serious problem. But if gas is causing you serious pain or it's been uncomfortable for more than two weeks, bring it to your doctor's attention. Also make an appointment with your doctor if you also have other symptoms that could be related, such as weight loss.
Whether or not you seek medi...
You should know
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