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  2. List of pathogens by size - Wikipedia

    en.wikipedia.org/wiki/List_of_pathogens_by_size

    Common name Dimension Size Reference Flatworm animal: Eucestoda: Tapeworm: length (maximum) 25 m: Eucestoda: Nematode animal: Loa loa: Loa loa: length (female) 20–70 mm: Loa loa: Arthropod animal: Cymothoa exigua: Tongue-eating louse: length (female) 8–29 mm: Cymothoa exigua: Nematode animal: Enterobius: Pinworm: length (female) 8–13 mm ...

  3. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    Only now are scientists beginning to realize how common archaea are in the environment, with Thermoproteota (formerly Crenarchaeota) being the most common form of life in the ocean, dominating ecosystems below 150 metres (490 ft) in depth. [45] [46] These organisms are also common in soil and play a vital role in ammonia oxidation. [47]

  4. File:Bacterial morphology diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Bacterial_morphology...

    English: Basic morphological differences between bacteria. The most often found forms and their associations. The most often found forms and their associations. Français : Formes bactériennes les plus courantes et leurs associations.

  5. Smallest organisms - Wikipedia

    en.wikipedia.org/wiki/Smallest_organisms

    With a size of approximately 200 to 300 nm, M. genitalium is an ultramicrobacterium, smaller than other small bacteria, including rickettsia and chlamydia. However, the vast majority of bacterial strains have not been studied, and the marine ultramicrobacterium Sphingomonas sp. strain RB2256 is reported to have passed through a 220 nm (0.00022 ...

  6. List of human microbiota - Wikipedia

    en.wikipedia.org/wiki/List_of_human_microbiota

    The oral microbiota consists of all the microorganisms that exist in the mouth. It is the second largest of the human body and made of various bacteria, viruses, fungi and protozoa. [14] These organisms play an important role in oral and overall health. Anthony Van Leeuwenhoek was the first to view these organisms using a microscope he created ...

  7. Bacterial taxonomy - Wikipedia

    en.wikipedia.org/wiki/Bacterial_taxonomy

    Bacteria (prokaryotes, together with Archaea) share many common features. These commonalities include the lack of a nuclear membrane, unicellularity, division by binary-fission and generally small size. The various species can be differentiated through the comparison of several characteristics, allowing their identification and classification.

  8. Mollicutes - Wikipedia

    en.wikipedia.org/wiki/Mollicutes

    Mollicutes is a class of bacteria [2] distinguished by the absence of a cell wall. The word "Mollicutes" is derived from the Latin mollis (meaning "soft" or "pliable"), and cutis (meaning "skin"). Individuals are very small, typically only 0.2–0.3 μm (200–300 nm) in size and have a very small genome size.

  9. List of model organisms - Wikipedia

    en.wikipedia.org/wiki/List_of_model_organisms

    It has a small genome size (~110Mb) and its sequence was released by the Joint Genome Institute in early 2008. (Evolutionary biology, Molecular biology) Brachypodium distachyon, emerging experimental model grass that has many attributes that make it an excellent model for temperate cereals. (Agronomy, Molecular biology, Genetics)