abscess; absorbance; acclimatisation; acellular; acervulus; acetobacteraceae; acetoclastic bacteria; acetogenic bacteria; acetone-butanol fermentation; acid-fast; acidogenic fermentation; acidophile; acidophilus; actinomyces; actinomyces viscosus; actinomycetaceae; actinomycosis; adaptation; adsorption fermentation; aerobe; aerobic; aerogenic; aflatoxin; agar; Agrobacterium tumifaciens; alkaliphile; alkalophile; Almeida's disease; amicrobic; amoebiasis; anaerogenic; anthrax; antimicrobial; antisepsis; antiseptic; anti-streptolysin O titres; archae; Archaebacteria; arthrospore; ascariasis infection; asepsis; aseptic; asexual reproduction; attachment sites; attenuated; atypical mycobacterial infection; autoecious; axenic culture; Babes-Ernst granule; babesiasis; babesiosis; bacilli; bacilliform; bacteraemia; bacteria; bacterial; bacterial chemotaxis; bacterial endospore; bacterial flagella; bacterial infection; bacterial transformation; bacterial virus; bacteriochlorophyll; bacteriocin; bacteriological; bacteriological warfare; bacteriophaeophytin b; bacteriophage; bacteriophage lambda; bacteriophage m13; bacteriophage omicron x174; bacteriophage t4; bacteriophage t7; bacteriophytoma; bacteriorhodopsin; bacteriostasis; bacteriostatic; bacteriotoxin; bacteriotropin; bacterium; bacteroid; bafilomycin; biohazard; biohydrometallurgy; biological agent; biological warfare; biologics; biosafety; biotope; biphasic growth curve; blood culture; botulism; breast infection; brewing; brucella serology; brucellosis; bubonic plague; budding; c600; Candida; candidiasis; capsule; carrier; cell wall; celozoic; cephalosporin resistance; ceratopogonidae; chloramphenicol resistance; cholera; ciguatera; clamp connection; Coccaceae; coccal; cocci; coccidioidomycosis; coccobacillus; coccoid; coccus; colibacillosis; colicinogeny; colonic flora; colonisation; colonisation factors; common-source epidemic; corynebacteriophage; corynebacterium; corynebacterium infections; costa; C polysaccharide; crippled strain; cross infection; cross-resistance; cutaneous larva migrans; dengue haemorrhagic fever; dermatomycosis; dientamoebiasis; disseminated tuberculosis; echinococcus; ehrlichiosis; enrichment culture; enterotoxin; envelope; exfoliatin; facultative aerobe; facultative anaerobe; faecal coliform bacteria; faecal culture; false branching; felon; fermentation; fomite; fruiting body; fungal; fungi; fungus; furunculosis; gamma toxin; gas gangrene; gliding bacteria; gnathostomiasis; gram-negative; gram-negative aerobic bacteria; gram-negative aerobic rods and cocci; gram-negative anaerobic bacteria; gram-negative anaerobic cocci; gram-negative anaerobic straight, curved, and helical rods; gram-negative bacteria; gram-negative bacterial infections; gram-negative chemolithotrophic bacteria; gram-negative facultatively anaerobic rods; gram-negative oxygenic photosynthetic bacteria; gram-positive; gram-positive asporogenous rods; gram-positive asporogenous rods, irregular; gram-positive asporogenous rods, regular; gram-positive bacteria; gram-positive bacterial infections; gram-positive cocci; gram-positive endospore-forming bacteria; gram-positive endospore-forming rods; gram-positive rods; Gram's iodine; Gram's stain; Gram stain; granuloma inguinale; green bacteria; gregarine movement; growth phase; haemoparasite; haemophil; haemophilic bacteria; haemophilosis; haemophilus infections; haemorrhagic septicaemia; haemotoxin; h antigen; Hauch; Haverhill fever; hb101; hemiparasite; heteroecious; H-tetanase; hypha; hyphae; hypnozoite; impetigo; incubation; incubation period; infection; intestinal flora; kappa particle; kernel blight; kernel spot; killer yeast; lactic acid bacteria; latency; lawn; lethal coefficient; Levinea; L ring; lysogen; lysogenic bacteria; magnetosome; magnetotactic bacteria; meningitis; merozygote; microbacteria; microbe; microbial; microbiological; microorganism; minimal infecting dose; minimal inhibitory concentration; mould; M ring; Much's bacillus; mucocyst; mucormycosis; mycelium; mycobacteria; mycobacterium; mycological; mycoside; myxamoebae; nasopharyngeal culture; nasopharyngeal viral culture; nongonococcal urethritis; nose swab; nosocomial; nosocomial infection; oligomycin; opportunistic; opportunistic pathogen; organismal density; Oxford unit; parasitic infection; parasitism; pathogen; pathogenicity; pellicle; penicillin resistance; perinatal transmission; phage typing; phagotype; phase variation; photosynthetic bacteria; plaque-forming unit; prepatent period; prespore cell; P ring; pure culture; purple sulphur bacteria; purulent; pus; pyaemia; pyocins; pyocyanin; pyogenic; R body; reservoir; residual body; rheumatic fever; rhizobia; rotavirus antigen test; rough strain; saprophyte; septic shock; serostatus; slime layer; slime mould; streptolysin; streptolysin O; streptolysin S; streptomycete; sulphatara; sulphate-reducing bacterium; superinfection; syphilis; tank bioreactor; tertiary syphilis; T even phage; threadworm; toxaemia; toxoplasmosis; transmission; trichinella spiralis; trichinosis; trichome; trichostrongyliasis; trichuriasis; trophozoite; tropical diseases; trypanosomiasis; tubercle; tuberculosis; tularaemia; typhoid; typhoid fever; typhus; venereal disease; Venereal Disease Research Laboratory; verrucologen; vertical transmission; virulence; viruses; vivax malaria; water mould; Weil disease; white piedra; wound botulism; xenodiagnosis; yellow fever; ym-shift; zone of inhibition; zoogloea; zoophilic; zygomycosis; zygospore; zymogenous; Zymotic disease.