- Biology. an ameboid, multinucleate mass or sheet of cytoplasm characteristic of some stages of organisms, as of myxomycetes or slime molds.
- any parasitic protozoan of the genus Plasmodium, causing malaria in humans.
Origin of plasmodium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for plasmodia
How was it that no one asked himself how it was possible that the plasmodia could enter the current of the blood from the air?Spontaneous Activity in Education
Plasmodia vary in color in different species and at different times in the same species.
The most satisfactory studies are obtained by plasmodia carefully brought in directly from the field.
Do not their amœboid spores and plasmodia ally them at once to the amœba and his congeners, to all the monad, rhizopodal world?
Malaria and similar diseases are caused by plasmodia, which are protozoa and not bacteria.Essays In Pastoral Medicine
- 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
- any parasitic sporozoan protozoan of the genus Plasmodium, such as P. falciparum and P. vivax, which cause malaria
C19: New Latin; see plasma, -ode 1
Word Origin and History for plasmodia
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
- A protozoan of the genus Plasmodium, which includes the parasites that cause malaria.
- 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.
- 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.
- 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.