corrugator muscle


n.

A muscle with origin from the orbital portion of the orbicular muscle, with insertion to the skin of the eyebrow, with nerve supply from the facial nerve, and whose action draws the medial end of the eyebrow downward and wrinkles the forehead vertically.

QUIZZES

ELEMENTARY SCHOOL PUNCTUATION QUIZ

Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
Question 1 of 10
Which punctuation mark is best for this sentence? "Can I watch a movie __"
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.