focal reaction
fo·cal re·ac·tion
a reaction that occurs at the point of entrance of an infecting organism or of an injection, as in the Arthus phenomenon.
Synonym(s): local reaction
fo·cal re·ac·tion
(fō'kăl rē-ak'shŭn)A reaction that occurs at the point of entrance of an infecting organism or of an injection, as in the Arthus phenomenon.
Synonym(s): local reaction.
Synonym(s): local reaction.