definition
Able to cause (harmful) disease.
example
While the environment is teeming with bacteria and fungi, most are not pathogenic.
definition
Consisting of harsh, percussive, nonverbal sounds.
definition
Able to cause (harmful) disease.
example
While the environment is teeming with bacteria and fungi, most are not pathogenic.
definition
Consisting of harsh, percussive, nonverbal sounds.
This parasite must be considered one of the most pathogenic of the parasitic helminths.
The H5N1 strain of avian influenza is not only pathogenic to birds, but has also infected humans.
Starter strains had less virulence determinants than food strains, which in turn had less than the pathogenic strains.
There is a current UK scheme in place for veterinary disinfectants for use against pathogenic viruses.
In partially edentulous patients, periodontal pockets may act as reservoirs for pathogenic organisms.
There was no legal basis for dealing with low pathogenic avian influenza at present.
Also, isolates were pathogenic on tomato following stem inoculation.
In the presence of Tregs, there is decreased infiltration of pathogenic T cells into the pancreatic islets.
Bad Bug Book - an introduction to foodborne pathogenic microorganisms and natural toxins.
The ability of these " pathogenic " strains to invade the mucosa depends on the presence of pili or flagella.
Intact skin provides an effective barrier to invasion by pathogenic organisms - it is an important part of the body's external defense mechanisms.
Members generally agreed with the opinions expressed and confirmed its view that all strains of L. monocytogenes should be treated as potentially pathogenic.
But as it is not pathogenic it does not pose any problems.
Most of the avian influenza virus isolates are low pathogenic.
So how do low pathogenic viruses become highly pathogenic?
Each member of the TB complex is pathogenic, but M. tuberculosis is pathogenic for humans while M. bovis is usually pathogenic for animals.
In addition to the persistent, non-pathogenic BVDV, a pathogenic strain can always be isolated with mucosal disease.
Expression of a novel, rapidly evolving gene family in the bloodstream form of a pathogenic African trypanosome.
Practically all retroviral vectors are derived from pathogenic viruses.
It is imperative that cream destined for butter-making should be free from pathogenic organisms. The organisms of cholera, typhoid fever and tuberculosis present in butter retain their vitality for a long time.
Probiotics-Bacteria that are beneficial to a person's health, either through protecting the body against pathogenic bacteria or assisting in recovery from an illness.
Stem cell therapy is unique in that it seeks to address pathogenic mechanisms (the source of the problem).
Correcting the pathogenic mechanism that can lead to autistic tendencies may reduce the symptoms of autism.
In early inquiries a great point was made of the prevention of putrefaction, and work was done in the way of finding how much of an agent must be added to a given solution, in order that the bacteria accidentally present might not develop. But for various reasons this was an inexact method, and to-day an antiseptic is judged by its effects on pure cultures of definite pathogenic microbes, and on their vegetative and spore forms. Their standardization has been effected in many instances, and a water solution of carbolic acid of a certain fixed 'strength is now taken as the standard with which other antiseptics are compared.
Since Metchnikoff's introduction (see Longevity) of the use of soured milk for dietetic purposes-the lactic acid bacillus destroying pathogenic bacteria in the intestine-a great impetus has been given to the multiplication of laboratory preparations containing 'cultures of the bacillus; and in recent years much benefit to health has, in certain cases, been derived from the discovery.
No sharp line can be drawn between pathogenic and nonpathogenic Schizomycetes, and some of the most marked steps in the progress of our modern knowledge of these pasteurianum, which is anaerobic, and can fix nitrogen only if protected from oxygen by aerobic species.
In some cases it may be necessary to collect specimens of feces for analysis to confirm the presence of a pathogenic organism.
The trouble with so many of the pathogenic causes of respiratory infections is that they cannot be eliminated.
Regardless of the baby's initial suckling behavior, this interaction stimulates uterine contractions, promotes colonization of harmless bacteria on the nipple, and helps to protect the infant from pathogenic bacteria.
Lactobacillus bifidus-A property of breast milk that interferes with the growth of pathogenic bacteria in the gastrointestinal tracts of babies, reducing the incidence of diarrhea.
Pasteurization-A process during which milk is heated and maintained at a particular temperature for the purpose of killing, or retarding the development of, pathogenic bacteria.
However, if identification of the infectious agent is required, a stool sample will be collected and analyzed for the presence of rotavirus, disease-causing (pathogenic) bacteria, or parasites.
Pathogenic bacteria-Bacteria that produce illness.
However, if autism is a barrier that prevents the individual from enjoying life to its fullest, we may find that addressing the pathogenic mechanisms can free the individual.
If, on the other hand, any pathogenic organisms be present the results are disastrous because the tissue, deprived of its nervous trophic supply, has greatly lessened resistance.
By the continuous injections under the skin, in increasing doses, of the toxins of certain pathogenic micro-organisms, such as that of diphtheria, an animal-usually the horse-may be rendered completely refractory to the disease.
Very many of the common domestic mammals can be successfully infected (either thus accidentally or else on purpose) with different " pathogenic " Trypanosomes, to which they succumb more or less readily, but they cannot be regarded as the natural hosts of those Trypanosomes.
Similarly with regard to the many other pathogenic Trypanosomes now known, there is undoubtedly, in each case, some indigenous wild animal tolerant of that particular form, which serves as a " latent source of supply " to strange mammals.
The vast majority of these organisms are not pathogenic, most are harmless and 4.,52 5.20 5.20 FIG.
These facts, and the further knowledge that many bacteria never observed as parasites, or as pathogenic forms, produce toxins or poisons as the result of their decompositions and fermentations of organic substances, have led to important results in the applications of bacteriology to medicine.
As our knowledge has advanced it has become abundantly evident that the so-called pathogenic bacteria are not organisms with special features, but that each is a member of a group of organisms possessing closely allied characters.
Various other microbes are also present in large numbers, but are not believed to be pathogenic or disease-producing in character.
By means of " vaccination " we are enabled to induce an active immunity against infection by certain pathogenic bacteria.
Of all external agents acting for evil, however, probably vegetable and animal micro-organisms with a pathogenic bent are most to be feared.
Massart and Bordet, Leber, Metchnikoff and others have studied the phenomenon in leucocytes, with the result that while there is evidence of their being positively chemiotactic to the toxins of many pathogenic microbes, it is also apparent that they are negatively influenced by such substances as lactic acid.
By 1876 the anthrax bacillus had been obtained in pure culture by Koch, and some other pathogenic bacteria had been observed in the tissues, but it was in the decade 1880-1890 that the most important discoveries were made in this field.
The general principle in their preparation is to supply cutt;va- the nutriment for bacterial growth in a form as nearly g y similar as possible to that of the natural habitat of the organisms - in the case of pathogenic bacteria, the natural fluids of the body.
In the acquisition of pathogenic properties some of their original characters have become changed, but in many instances this has taken place only to a slight degree, and, furthermore, some of these changes are not of a permanent character.
But this has not been proved, and hitherto no enzyme has been separated from a pathogenic bacterium capable of forming, by digestive or other action, the toxic bodies from proteids outside the body.
Even yet medical science has not determined the effect upon the human system of water highly charged with bacteria which are not known to be individually pathogenic. In the case of the bacilli of typhoid and cholera, we know the direct effect; but apart altogether from the presence of such specific poisons, polluted water is undoubtedly injurious.
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