METABOLISM • DICCIONARIO INGLES.COM • Definition of Metabolism

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/mətˈæbəlˌɪzəm/ Listen

noun

Metabolism n. (Physiol.)

The act or process, by which living tissues or cells take up and convert into their own proper substance the nutritive material brought to them by the blood, or by which they transform their cell protoplasm into simpler substances, which are fitted either for excretion or for some special purpose, as in the manufacture of the digestive enzymes. Hence, metabolism may be either constructive (anabolism), or destructive (catabolism).

(Biol.) The series of chemical changes which take place in an organism, by means of which food is manufactured and utilized and waste materials are eliminated.

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Etymology of 'Metabolism'

Collaborative International Dictionary of English 0.48

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"Metabolism" Quotes from Famous Books

... the parasite is feeding and growing it is also giving off waste products, as all living forms do in the process of metabolism, but as the parasite is completely inclosed in the corpuscle wall these waste products cannot escape until the wall bursts open. After about forty hours if the parasite is vivax or about sixty-five hours if it is malariae it becomes immobile, the ...

— Insects and Diseases - A Popular Account of the Way in Which Insects may Spread - or Cause some of our Common Diseases • Rennie W. Doane

... activities of life for a time, but they do not live very long (Fig. 25). The fragment is unable to assimilate its food sufficiently to build up more material. So long as it still retains within itself a sufficiency of already formed tissue for its destructive metabolism, it can continue to move around actively and behave like a complete cell, but eventually it dies from starvation. On the other hand, those fragments which retain a piece of the nucleus, even though they have only a small portion of ...

— The Story of the Living Machine • H. W. Conn

... changes that take place in the living body, beginning with assimilation and ending with excretion, is included in one word, metabolism. The process of building up living material, or the change by which complex substances (including the living matter itself) are built up from simpler materials, is called anabolism. The breaking down of material into simple ...

— A Practical Physiology • Albert F. Blaisdell

... rays have curative value in certain cases, there are some instances where light-baths are claimed to be harmful. It is said that sun-baths to the naked body are not so popular as they were formerly, except for obesity, gout, rheumatism, and sluggish metabolism, because it is felt that the shorter ultra-violet rays may be harmful. These rays are said to increase the pulse, respiration, temperature, and blood-pressure and may even start hemorrhages and in excessive amounts ...

— Artificial Light - Its Influence upon Civilization • M. Luckiesh

... however general terms, of providing for the endless mysteries of the future a terminology and an idiom! We follow the vein, we mine and accumulate our treasure, but who can tell which way the vein may trend? Language is the nourishment of the thought of man, that serves only as it undergoes metabolism, and becomes thought and lives, and in its very living passes away. You scientific people, with your fancy of a terrible exactitude in language, of indestructible foundations built, as that Wordsworthian doggerel on the title-page ...

— A Modern Utopia • H. G. Wells

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