[{"n": "Lymph", "u": "/e/microbiology-and-immunology/lymph/", "s": "Fluid that returns interstitial fluid and proteins to the bloodstream."}, {"n": "Macrophage", "u": "/e/microbiology-and-immunology/macrophage/", "s": "Innate immune cells that engulf pathogens and regulate inflammation."}, {"n": "Mast cell", "u": "/e/microbiology-and-immunology/mast-cell/", "s": "Ancient immune sentinels storing histamine and heparin."}, {"n": "Microbial cyst", "u": "/e/microbiology-and-immunology/microbial-cyst/", "s": "A resting or dormant stage of a microorganism, representing a state of suspended animation."}, {"n": "Microbiology", "u": "/e/microbiology-and-immunology/microbiology/", "s": "Scientific study of microorganisms, including bacteria, viruses, fungi, and protists."}, {"n": "Microorganism", "u": "/e/microbiology-and-immunology/microorganism/", "s": "Microscopic organisms that shape life, health, and history."}, {"n": "Mucus", "u": "/e/microbiology-and-immunology/mucus/", "s": "Slippery gel protecting mucous membranes and trapping pathogens."}, {"n": "Natural killer cell", "u": "/e/microbiology-and-immunology/natural-killer-cell/", "s": "Natural killer cells rapidly destroy infected and tumor cells without prior sensitization."}, {"n": "Neutrophil", "u": "/e/microbiology-and-immunology/neutrophil/", "s": "Most abundant white blood cell, key in innate immunity."}, {"n": "Non-cellular life", "u": "/e/microbiology-and-immunology/non-cellular-life/", "s": "Life without cells, from viruses to viroids."}, {"n": "Parasitology", "u": "/e/microbiology-and-immunology/parasitology/", "s": "Study of parasites, hosts, and their ecological and medical relationships."}, {"n": "Phylogenetic tree", "u": "/e/microbiology-and-immunology/phylogenetic-tree/", "s": "Branching diagram showing evolutionary relationships among species."}, {"n": "Phylogenetics", "u": "/e/microbiology-and-immunology/phylogenetics/", "s": "Study of evolutionary history through heritable traits and phylogenetic trees."}, {"n": "Phylum", "u": "/e/microbiology-and-immunology/phylum/", "s": "A taxonomic rank below kingdom and above class."}]