Friedreich's sign
n.
An indication of adherent pericardium in which previously distended neck veins suddenly collapse with each diastole of the heart.
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
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