critical organ

n.

The organ or physiological system that would first be subjected to radiation in excess of the maximum permissible amount as the dose of a radioactive material is increased.

Nearby words

  1. critical constant,
  2. critical constants,
  3. critical damping,
  4. critical density,
  5. critical mass,
  6. critical path analysis,
  7. critical period,
  8. critical point,
  9. critical pressure,
  10. critical ratio


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