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Bacterioscopy :: Bacterioscopy (n.) The application of a knowledge of bacteria for their detection and identification, as in the examination of polluted water..

Bacterium :: Bacterium (n.) A microscopic vegetable organism, belonging to the class Algae, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus

Pyrogen :: Pyrogen (n.) A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria..

Microorganism :: Microorganism (n.) Any microscopic form of life; -- particularly applied to bacteria and similar organisms, esp. such are supposed to cause infectious diseases..

Toxine :: Toxine (n.) A poisonous product formed by pathogenic bacteria, as a toxic proteid or poisonous ptomaine..

Micrococcus :: Micrococcus (n.) A genus of Spherobacteria, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus), all without the power of motion. See Illust. of Ascoccus..

Microzyme :: Microzyme (n.) A microorganism which is supposed to act like a ferment in causing or propagating certain infectious or contagious diseases; a pathogenic bacterial organism.

Zymogene :: Zymogene (n.) One of a physiological group of globular bacteria which produces fermentations of diverse nature; -- distinguished from pathogene.

Pleomorphic :: Pleomorphic (a.) Pertaining to pleomorphism; as, the pleomorphic character of bacteria..

Leptothrix :: Leptothrix (n.) A genus of bacteria, characterized by having their filaments very long, slender, and indistinctly articulated..

Pseudobacteria :: Pseudobacteria (n. pl.) Microscopic organic particles, molecular granules, powdered inorganic substances, etc., which in form, size, and grouping resemble bacteria..

Mycoderma :: Mycoderma (n.) One of the forms in which bacteria group themselves; a more or less thick layer of motionless but living bacteria, formed by the bacteria uniting on the surface of the fluid in which they are developed. This production differs from the zooloea stage of bacteria by not having the intermediary mucous substance..

Spirochaeta :: Spirobacteria (n. pl.) See the Note under Microbacteria.

Bacteria :: Bacteria (pl. ) of Bacteriu.

Spherobacteria :: Spherobacteria (n. pl.) See the Note under Microbacteria.

Bacteriology :: Bacteriology (n.) The science relating to bacteria.

Plasmid :: Plasmid (n.) A piece of DNA, usually circular, functioning as part of the genetic material of a cell, not integrated with the chromosome and replicating independently of the chromosome, but transferred, like the chromosome, to subsequent generations. In bacteria, plasmids often carry the genes for antibiotic resistance; they are exploited in genetic engineering as the vehicles for introduction of extraneous DNA into cells, to alter the genetic makeup of the cell. The cells thus altered may produ

Bacteria :: Bacteria (n.p.) See Bacterium.

Chromogenic :: Chromogenic (a.) Containing, or capable of forming, chromogen; as, chromogenic bacteria..

Coccobacteria :: Coccobacteria (pl. ) of Coccobacteriu.

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