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definitions

ecotaxis

[ē′kə-tăk′sĭs, ĕk′ō-]
n.
  1. The migration of lymphocytes from the thymus and bone marrow into tissues possessing an appropriate microenvironment.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.