Definición de paramecium en inglés:


Saltos de línea: para|me¦cium
Pronunciación: /ˌparəˈmiːsɪəm

sustantivo (plural paramecia)

  • A single-celled freshwater animal which has a characteristic slipper-like shape and is covered with cilia.
    • Genus Paramecium, phylum Ciliophora, kingdom Protista
    Más ejemplos en oraciones
    • Contact with protozoa, the tremendously varied group of more sophisticated single-celled microbes that includes amoeba and paramecium, has also been greatly reduced in the developed world by water and food treatment measures.
    • In 1911, he reported on the effect of hematoporphyrin and light on a paramecium and red blood cells and described skin reactions in mice exposed to light after hematoporphyrin administration.
    • Parameciums have a permanent feeding mechanism, consisting of a funnel-shaped gullet into which food is drawn by the combined action of the cilia. They feed on small organisms such as bacteria and even other smaller protozoa.


mid 18th century: modern Latin, from Greek paramēkēs 'oval' from para- 'against' + mēkos 'length'.

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Palabra del día grotesquerie
Pronunciación: grəʊˈtɛskəri
grotesque quality or grotesque things collectively