Z chromosome
A sex chromosome in certain animals, such as chickens, turkeys, and moths. In humans, males are XY and females XX, but in animals with a Z chromosome, males are ZZ and females are WZ.
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- Pharmacopoeia
An official authoritative listing of drugs. Aspirin has, for example, long been in the pharmacopoeia. By extension, a pharmacopoeia is a collection or stock of drugs.
- 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
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.