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, also called flatus or flatulence, is air in the intestine that is passed through the rectum. Air that is passed from the digestive tract through the mouth is called belching .
Gas is formed in the intestines as food is being digested. Gas can make you feel bloated, which may cause crampy or colicky abdominal pain .
Gas can be caused by any of the following:
Eating foods that are difficult to digest, such as fiber . If you recently introduced fiber into your diet, having gas may be temporary. Give it a little time. Your body may adjust and stop producing gas.
Eating foods that you cannot tolerate -- for example, if you have lactose intolerance and eat dairy products
Irritable bowel syndrome
-- a chronic form of stomach upset that gets worse with stress
(when your body cannot absorb or digest a ...
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...
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