avian leukosis-sarcoma complex

n.

A division of the RNA tumor viruses that causes a group of transmissable diseases of poultry.avian leukosis-sarcoma virus
The group of diseases caused by this division of viruses.

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