The Mycology of the Mouth: A Text-book of Oral BacteriaLongmans, Green, 1903 - 241 páginas |
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Página 9
... sterile sand in a special apparatus . The glycerine extract obtained when injected into rabbits induced an agglutinative power in the serum similar to that developed during an attack of typhoid fever in the human subject . Some bacteria ...
... sterile sand in a special apparatus . The glycerine extract obtained when injected into rabbits induced an agglutinative power in the serum similar to that developed during an attack of typhoid fever in the human subject . Some bacteria ...
Página 30
... sterile open vessels of nutrient solution could be freely exposed without decomposition taking place as long as the ... sterilized are not injured while the organisms present are killed . The difference in resisting power has been ...
... sterile open vessels of nutrient solution could be freely exposed without decomposition taking place as long as the ... sterilized are not injured while the organisms present are killed . The difference in resisting power has been ...
Página 31
... sterilized by heating to 150 ° C . for three - quarters FIG . 5. - COPPER BOX AND RACK FOR STERILIZING PETRI DISHES AND CAPSULES . of an hour in a hot - air sterilizer ; the flasks , & c . , are first plugged with cotton wool plugs ...
... sterilized by heating to 150 ° C . for three - quarters FIG . 5. - COPPER BOX AND RACK FOR STERILIZING PETRI DISHES AND CAPSULES . of an hour in a hot - air sterilizer ; the flasks , & c . , are first plugged with cotton wool plugs ...
Página 33
... sterilized in the hot - air sterilizer and placed in the steamer for twenty minutes on three successive days , after which the media is ready for use . The steam sterilizer ( fig . 8 ) is simply a modified potato steamer or double ...
... sterilized in the hot - air sterilizer and placed in the steamer for twenty minutes on three successive days , after which the media is ready for use . The steam sterilizer ( fig . 8 ) is simply a modified potato steamer or double ...
Página 34
... sterilized for fifteen minutes at this temperature . Gelatin must not be sterilised in the autoclave as a ... sterilized in this way ; agar generally darkens considerably , and had better be sterilized by the discontinuous method . Broth ...
... sterilized for fifteen minutes at this temperature . Gelatin must not be sterilised in the autoclave as a ... sterilized in this way ; agar generally darkens considerably , and had better be sterilized by the discontinuous method . Broth ...
Otras ediciones - Ver todas
The Mycology of the Mouth: A Text-book of Oral Bacteria Sir Kenneth Weldon Goadby Vista completa - 1903 |
The Mycology of the Mouth: A Text-book of Oral Bacteria Sir Kenneth Weldon Goadby Vista completa - 1903 |
The Mycology of the Mouth: A Text-book of Oral Bacteria Sir Kenneth Weldon Goadby Vista completa - 1908 |
Términos y frases comunes
abscesses absolute alcohol acid reaction agar cultivation Agar Streak alkaline animals appear aureus bacillus bacteria Bacteriology Biological Characters.-An äerobic Blood Serum bodies boiling broth broth culture buccalis capsule carbohydrate carbol cells cent cocci coccus colonies colour dental caries dentine diplococci disease enamel endospores enzymes Eyre facultative anäerobic fermentation filaments filtered flagella flocculi fluid forty-eight hours gelatin Gelatin Plates Gelatin Stab Gelatin Streak gentian violet Glucose gonidia Gram's method granular grow growth guinea-pigs immunity injection inoculation irregular isolated large number layer Leptothrix liquefaction liquefied gelatin Litmus Milk marked medium mesentericus methylene blue microscope Miller minute motile observed obtained occurs ordinary aniline dyes organisms pathogenic peptone pigment pneumococcus Potato precipitate present produced pulps pure culture pyogenes pyorrhoea saliva solution species spirilla spirillum Spore formation staphylococcus staphylococcus aureus sterile streptococcus Streptothrix surface teeth temperature threads tissue toxine tube tubercle turbidity various virulence washed
Pasajes populares
Página 223 - Rugose, short, irregular folds, due to shrinkage of surface growth. Corrugated, in long folds, due to shrinkage. Contoured, an irregular but smoothly undulating surface, like the surface of a relief map. Rimose, abounding in chinks, clefts, or cracks.
Página 134 - The cause of the prevalence of dental caries is that the natural foodstuffs are to a large extent ridded of their accompanying fibrous parts and prepared and consumed in a manner which renders them liable to lodge and undergo acid fermentation in the mouth ; while from the same cause and the induced condition the micro-organisms of the mouth lodge, multiply, and augment the rapidity and intensity of the acid fermentation.
Página 222 - Bullate : like a blistered surface, rising in convex prominences, rather coarse. Vesicular: more or less covered with minute vesicles, due to gas formation ; more minute than bullate. Verrucose : wartlike, bearing wartlike...
Página 134 - ... and the induced conditions, the micro-organisms of the mouth lodge, and multiply and augment the rapidity and intensity of the acid fermentation.
Página 222 - Effused, spread over the surface as a thin veilly layer, more delicate than the preceding. Raised, growth thick, with abrupt, terraced edges (Fig.
Página 112 - As the form of the tooth used by the draftsman will play no part in the construction of the pattern...
Página 224 - Filamentous: as already defined. Floccose: composed of filaments densely placed. Curled: filaments in parallel strands, like locks or ringlets, as in agar colonies of Bart, anthracis.
Página 219 - Xodose: consisting of closely aggregated colonies. Beaded: consisting of loosely placed or disjointed colonies. Papillate: beset with papillate extensions. Echinate: beset with acicular extensions. Villous: beset with short, undivided, hairlike extensions. Plumose: a delicate feathery growth. Arborescent: branched, or treelike, beset with branched hairlike extensions. 3. Gelatin stab culture. Liquefying line...
Página 139 - ... deleterious effect upon them, attacking and decalcifying the exposed parts. However some people who are in the habit of eating strongly acid fruits are particuarly free from caries, as for example the Sicilians, who are large consumers of lemons. Goadby (64) suggests "that the acids (in such cases) may act as a protective by preventing the development of acidforming organisms, or dissolving away the outer layers of the enamel and with it the contained bacteria, secondary dentine occluding the...
Página 134 - ... but I should like to refer to a criticism by oar distinguished President. After quoting my generalization he Fays "That tmh a factor does occur is certain, but it hardly explains the fact that animals, dogs, cats, monkeys, rabbits, etc., which exhibit no dental caries, are yet found to have food particles frequently lodged between their teeth after a meal, the fibrous matters themselves remaining impacted. Interstitial caries is rare in animals, and yet commonly occurs in man.