Answer: antigen

AnswerCrossword Clue
ANTIGEN

Immune-response trigger

ANTIGENImmune response trigger
ANTIGEN

Immunologist's study

ANTIGEN

Enzyme, for example

ANTIGEN
Immunologist's concern
ANTIGEN
Immune-system stimulus
ANTIGENDoctor's choice.
ANTIGENImmunology agent.
ANTIGENReactive toxin
ANTIGENInfection-curbing agent
ANTIGENSubstance used in immunology
ANTIGENBody toxin
ANTIGENCause of an immune response
ANTIGENImmune response stimulus
ANTIGENImmunity trigger
ANTIGENA or B in blood typing, e.g.
ANTIGENImmunity stimulant
ANTIGENIt stimulates the immune system
ANTIGENA stimulant of sorts