United States or Guinea ? Vote for the TOP Country of the Week !
Bacteria are commonly given a generic name based upon their microscopic appearance. There are only a few of these names. Micrococcus, Streptococcus, Staphylococcus, Sarcina, Bacterium, Bacillus, Spirillum, are all the names in common use applying to the ordinary bacteria. There are a few others less commonly used.
The streptococcus has less capacity of liquefying the tissues than the staphylococcus, so that pus formation takes place more slowly. At the same time its products are very potent in destroying the tissues in their vicinity, and so interfering with the exudation of leucocytes which would otherwise exercise their protective influence.
#Boils and Carbuncles.# These result from infection with the staphylococcus aureus, which enters the orifices of the ducts of the skin under the influence of friction and pressure, as was demonstrated by the well-known experiment of Garrè, who produced a crop of pustules and boils on his own forearm by rubbing in a culture of the staphylococcus aureus.
This organism has been found in pure culture in suppurative conditions of bone, of cellular tissue, and of internal organs, especially during convalescence from typhoid fever. Like the staphylococcus, it is capable of lying latent in the tissues for long periods. Other Pyogenic Bacteria.
The infection may arise from the material used, especially catgut or silk, or, more frequently perhaps, from the growth of staphylococcus albus from the skin of the patient when this has been imperfectly disinfected.
Now, if you can think of any possible chink through which a wandering streptococcus can, by any possibility, sneak into that wound, please suggest it, and it shall be closed immediately! The intruders against whom all these preparations are made are two in number: Streptococcus pyogenes and Staphylococcus pyogenes cousins, as you see, by their names.
The staphylococcus albus is much less common than the aureus, but has the same properties and characters, save that its growth on artificial media assumes a white colour. It is the common cause of stitch abscesses, the skin being its normal habitat. [Illustration: FIG.
Sometimes he called David in, and talked at length and with enthusiasm about such human interest things as the Staphylococcus pyogenes aureus, and the Friedlander bacillus. The older man would listen, but his eyes were oftener on Dick than on the microscope or the slide. David went to the bookcase and got down a large book, much worn, and carried it to his desk.
But the older, or Strepto, cousin is by far the more dangerous character and desperate individual, giving rise to and being concerned in nearly all the civilized and dangerous wound-fevers septicæmia, erysipelas, etc. Staphylococcus is a milder and less harmful individual, seldom going farther than to produce the milder forms of festering, discharging, refusing to heal, pustules, etc.
Among those he labelled were the Staphylococcus pyogenes albus, the Micrococcus fervidosus, the Saccharomyces rosaceus, and the Bacillus buccalis fortuitis. I made a note of the names at the time, because of the dread with which they inspired me. But I searched the collection in vain for the real bacillus of the slum.
Word Of The Day