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plasmodium

[plaz-moh-dee-uh m] /plæzˈmoʊ di əm/
noun, plural plasmodia
[plaz-moh-dee-uh] /plæzˈmoʊ di ə/ (Show IPA)
1.
Biology. an ameboid, multinucleate mass or sheet of cytoplasm characteristic of some stages of organisms, as of myxomycetes or slime molds.
2.
any parasitic protozoan of the genus Plasmodium, causing malaria in humans.
Origin of plasmodium
1870-1875
1870-75; < New Latin; see plasm-, -ode1, -ium
Related forms
plasmodial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for plasmodium
Historical Examples
  • The plasmodium as it emerges to form fruit is pale pink or flesh color, slowly deepening to brown as maturity advances.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • There we know that it acts by killing the plasmodium and is a real specific.

    Psychotherapy James J. Walsh
  • Occurring in large colonies on barkless decaying logs of various species; the plasmodium almost colorless.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • With the same exception, the plasmodium in every case is yellow.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • The parasites that cause the malarial fevers are Sporozoans and belong to the genus plasmodium.

    Insects and Diseases Rennie W. Doane
  • The plasmodium of this species is variously cited from white to yellow.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • A plasmodium that appeared suddenly and passed to fruit on agar in a petri dish offers a valuable suggestion for further research.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • Nothing can be more interesting than to watch the slime-mould as its plasmodium accomplishes this its last migration.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • Well described by Persoon, who also appears to have observed the plasmodium "primo rubra."

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
  • plasmodium watery white, or transparent, wide streaming on decaying sod, etc.

    The North American Slime-Moulds Thomas H. (Thomas Huston) MacBride
British Dictionary definitions for plasmodium

plasmodium

/plæzˈməʊdɪəm/
noun (pl) -dia (-dɪə)
1.
an amoeboid mass of protoplasm, containing many nuclei: a stage in the life cycle of certain organisms, esp the nonreproductive stage of the slime moulds
2.
any parasitic sporozoan protozoan of the genus Plasmodium, such as P. falciparum and P. vivax, which cause malaria
Derived Forms
plasmodial, adjective
Word Origin
C19: New Latin; see plasma, -ode1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for plasmodium
n.

1871, Modern Latin, coined 1863 in Germany from plasma + -odium, from Greek -odes "like" (see -oid).

Online Etymology Dictionary, © 2010 Douglas Harper
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plasmodium in Medicine

plasmodium plas·mo·di·um (plāz-mō'dē-əm)
n. pl. plas·mo·di·a (-dē-ə)

  1. A multinucleate mass of cytoplasm formed by the aggregation of a number of amoeboid cells, as that characteristic of the vegetative phase of the slime molds.

  2. A protozoan of the genus Plasmodium, which includes the parasites that cause malaria.

Plasmodium n.
A genus of protozoans that are parasites of the red blood cells of vertebrates and include the causative agents of malaria.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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plasmodium in Science
plasmodium
  (plāz-mō'dē-əm)   
Plural plasmodia
  1. A mass of protoplasm having many cell nuclei but not divided into separate cells. It is formed by the combination of many amoeba-like cells and is characteristic of the active, feeding phase of certain slime molds.

  2. Any of various single-celled organisms (called protozoans) that exist as parasites in vertebrate animals, one of which causes malaria.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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