Adaptive immunity is stimulated by?

/in /by

The structure in the thymus that prevents foreign substances from entering the thymus is the a. thymic corpuscle barrier
b. blood-thymic barrier
c. surface membrane barrier
d. capsular barrier
e. thymic filter

Adaptive immunity is stimulated by
a. Antigensb. Histaminesc. Antibodies
d. Complement
e. plasma proteins

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