The region from which the rays or tentacles grow on a radiate animal.
Having a radial form; rayed.
1. An infectious disease of cattle, domestic animals, and occasionally humans, resembling actinomycosis and caused by the bacterium Actinobacillus lignieresii.
2. A disease characterized by suppurative (causing pus) and granulomatous (inflammatory) lesions (abnormality of the skin or organs) in the respiratory tract, upper alimentary tract, skin, kidneys, joints, and other tissues.
Actinobacillus lignieresii infects cattle and sheep while actinobacillosis Equuli infects horses and pigs.
The study of the effects of radiation on living organisms.