white line of anal canal

white line of anal canal definition - medical

white line of anal canal

noun
A bluish pink zone located in the mucosa of the anal canal below the pectinate line at the interval between the subcutaneous part of the external sphincter and the lower border of the internal sphincter. Also called Hilton's white line.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.