mesogenic

[mĕz′ə-jĕn′ĭk]

adj.

Of or relating to the capacity of a virus to lethally infect embryonic hosts after a short incubation period but that is incapable of infecting immature and adult hosts.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.