tructureOmicsPhysical factors affecting microbial lifeSiderophore Category CommonsvteAntonie van LeeuwenhoekMicroscopic discoveries 1Microscopic organismsBacteriaCiliateGiardiaInfusoriaProtistProtozoaRotiferVolvoxOthersSpermatozoa (sperm cells)Red blood cellsCrystals in gouty tophiGeneral topicsVan Leeuwenhoek's microscopesVan Leeuwenhoek's microscopic experiments and discoveriesVan Leeuwenhoek's microscopic discovery of microbial lifeVan Leeuwenhoek's letters to the Royal SocietyRelated topicsBacteriologyProtozoologyProtistologySpontaneous generationPreformationismAnimalculeMicroscopic scaleMicroscopic discovery of microorganismsMicroscopic discovery of bacteriaHistory of microbiologyOptical microscopyHistory of microscopyHistory of the microscopeInvention of the optical microscopeTimeline of microscope technologyGolden Age of Dutch exploration and discovery (c. 1590s–1720s)Golden Age of Dutch science and technologyScience and technology in 