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Amoeba   /əmˈibə/   Listen
Amoeba

noun
(pl. L. amoebae; E. amoebas)
1.
Naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion.  Synonym: ameba.



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"Amoeba" Quotes from Famous Books



... lashing the water with a single oar (flagellum), or hair-like extension of its substance. This type, however, which is known as the Flagellate, may be derived from the next, which we will take as the primitive and fundamental animal type. It is best seen in the common and familiar Amoeba, a minute sac of liquid or viscid plasm, often not more than a hundredth of an inch in diameter. As its "skin" is merely a finer kind of the viscous plasm, not an impenetrable membrane, it takes in food at any part of its surface, makes little "stomachs," or temporary cavities, ...
— The Story of Evolution • Joseph McCabe

... Wuerzburg, I examined with him blood that had been three weeks, a month, and five weeks, out of the body, preserved in little porcelain cups under glass shades. This blood was living and growing. Not only were the Amoeba-like movements of the white corpuscles present, but there were abundant evidences of the growth and development of the corpuscles. (I also saw a frog's heart still pulsating which had been removed from the ...
— Fragments of science, V. 1-2 • John Tyndall

... and painful process. It was a journey in which he traversed all time. He dreamed. He rose through thick layers of sleep, out of the imaginary beginnings of all things. He lifted a pseudopod from primordial ooze, and the pseudopod was him. He became an amoeba which contained his essence; then a fish marked with his own peculiar individuality; then an ape unlike all other apes. And finally, he became ...
— The Status Civilization • Robert Sheckley

... circulation.[12] If, in a froth of the same kind, the air is extracted from an alveolus, a cone of attraction is seen to form, like those about the centrosomes which result in the division of the nucleus.[13] Even the external motions of a unicellular organism—of an amoeba, at any rate—are sometimes explained mechanically. The displacements of an amoeba in a drop of water would be comparable to the motion to and fro of a grain of dust in a draughty room. Its mass is all the time absorbing certain soluble matters contained in the surrounding water, ...
— Creative Evolution • Henri Bergson

... which drifted so slowly toward them suddenly seemed to jerk, and from it reached pseudopods! An amoeba on a titanic scale! It writhed its way purposefully toward the nearest ship, and while that ship waited, a pseudopod reached out, and suddenly drove through the four foot relux armor! A second pseudopod followed with lightning rapidity, and in an instant the ship had been split ...
— Invaders from the Infinite • John Wood Campbell

... an example of a lower organism we may take the amoeba. If one watches an amoeba under the microscope he may see it move about the field, creeping along the surface of the glass plate; throwing out a pseudopodium here; invaginating a mouth or stomach there; taking in and digesting minute plant organisms; transporting itself across the field of the microscope ...
— The Biology, Physiology and Sociology of Reproduction - Also Sexual Hygiene with Special Reference to the Male • Winfield S. Hall

... of life, the amoeba. We can watch it through the microscope. It is so tiny that it keeps house in a drop of water. It has neither emotion nor consciousness, in the human sense. It lives a while, and then splits in two to form other cells ...
— Prize Orations of the Intercollegiate Peace Association • Intercollegiate Peace Association

... new saints with fresh and original characters and yet passable pedigrees (the experiment is tried, now and again); while the old saints have been exploited and are now inefficient—worn out, like old toys. Madonna, on the other hand, can subdivide with the ease of an amoeba, and yet never lose her identity or credibility; moreover, thanks to her divine character, anything can be accredited to her—anything good, however wonderful; lastly, the traditions concerning her ...
— Old Calabria • Norman Douglas



Words linked to "Amoeba" :   amoebous, amoebic, Amoebida, rhizopodan, order Amoebina, Amoebina, rhizopod, endameba, order Amoebida



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