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antitrypsin

[ ăn′tē-trĭpsĭn, ăn′tī- ]
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n.
A serum protein that inhibits the activity of trypsin and other proteolytic enzymes.
QUIZ
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Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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