per continuum

[pər kən-tĭnyōō-əm]
adv.
  1. By or through continuity, as in the spread of infection or inflammation from one part to another through continuous tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.