 |
Definition: region of anal canal in which the epithelium changes from the simple columnar epithelium of a mucosa to the stratified squamous epithelium of the anoderm (skin); this region is susceptible to a variety of carcinomas.
Synonym(s): zona transitionalis analisTA
Examples: glitazone, GI cocktail, etc.
Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines & natural products. This material is provided for educational purposes only and is not to be used for medical advice, diagnosis or treatment.
Data sources include Micromedex™ (updated Apr 16th, 2012), Cerner Multum™ (updated May 18th, 2012), Wolters Kluwer™ (updated Apr 29th, 2012) and others.
To view content sources and attributions, refer to our editorial policy.
Copyright © 2000-2012 Drugs.com. All rights reserved.
We comply with the HONcode standard for trustworthy health information.
Verify here
