perforated substance


n.

Either of the two perforated substances of the brain, designated anterior and posterior.perforated space

QUIZZES

THE SEPTEMBER WORD OF THE DAY QUIZ HAS ARRIVED!

Go ahead, test your mental legerity to see how many words you remember from last month!
Question 1 of 10
Which definition best describes “spang”?
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.