Anal incontinence: Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters. This failure results in the untimely passage of feces and gas.
There are many causes of anal incontinence, including congenital disorders of the spinal cord or anus; subsequent injuries to the rectum and anus; obstetric injuries during delivery; injury of the spinal cord; diabetic neuropathy (nerve damage); advanced Alzheimer disease or other forms of dementia; fecal impaction; and tumors.
Also called rectal or fecal incontinence.
- Anal itching
Irritation of the skin at the exit of the rectum, accompanied by the desire to scratch. The intensity of anal itching is increased by moisture, pressure, and abrasion caused by clothing and sitting. It may be caused by irritating chemicals in food (as in spices, hot sauces, and peppers); irritation due to frequent liquid stools, […]
- Anal papilla
Anal papilla: A skin tag that projects up from the junction between the skin and the inside lining of the anus. Anal papillae tend to occur with anal fissures and may be detected on a digital examination of the anus or with a scope. Removal is only necessary if the anal papillae are causing symptoms.
Analbuminemia: 1. Properly, an absence of albumin from the blood. 2. More loosely, a low level of albumin in the blood. Synonymous in this usage with hypoalbuminemia.
- Analgesic drug
Analgesic drug: A drug designed to control pain. Analgesic comes from the Greek an-, without + algesis, sense of pain = without a sense of pain.
Analog: In biochemistry, a substance that is similar, but not identical, to another.