white line of anal canal
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.Hilton's white line
From POTUS To FLOTUS: A Full (White) House Of AcronymsThe faster we move, the more abbreviations and assorted acronyms we use, and when it comes to talking about the folks who reside at 1600 Pennsylvania Avenue—otherwise known as the White House—there are plenty of acronyms to choose from.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.