Tag Innate Immunity

Alternative Pathway of Complement Activation

The complement system is a group of more than 30 heat-labile plasma proteins that play a crucial role in host defense. These proteins circulate in an inactive form and become activated in a sequential enzymatic cascade. The complement system enhances…

Neutrophils Explained: Fast-Acting Immune Cells

Every day, your body faces countless threats from bacteria, viruses, and other pathogens—yet most of these never develop into full-blown infections. This is thanks in large part to your innate immune system and its most rapid cellular defenders: neutrophils. Often…