The collection of cells, chiefly lymphocytes and cells of the reticuloendothelial system, that function in establishing active acquired immunity.defense mechanism
A THANKSGIVING SPELLING QUIZ TO FEED YOUR HISTORY KNOWHOW
Before you celebrate family and blessings this year, take this quiz to test your spelling knowledge of the history and important figures of the first Thanksgiving.
Question 1 of 7
Words nearby immunological mechanism
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.