Pharmacy girl👩‍🔬 on Instagram: "Macrophages are specialized immune cells that play a central role in maintaining tissue health and defending the body against infection. Derived from circulating monocytes, these cells reside in almost every tissue, where they act as the first line of innate immune defense. Their primary function is phagocytosis—the recognition, engulfment, and digestion of pathogens, dead cells, and cellular debris. By clearing damaged tissue and invading microorganisms, macrop