A surface protein present on strep bacteria that prevents white blood cells from engulfing and destroying the bacteria.
ketoRead more in this article about some frequently asked questions and fun facts related to our definitions.
Here’s When To Capitalize WordsThere are a few specific cases where words should be capitalized. They’re easy to remember. In English, capital letters are most commonly used at the start of a sentence, for the pronoun I, and for proper nouns. The First Word of a Sentence You should always capitalize the first letter of the first word in a sentence, no matter what the word is. Take, for …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.