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Unless the patient is in hospital with skilled assistance available, tracheotomy is the safer of the two procedures. Tetanus is a disease resulting from infection of a wound by a specific micro-organism, the bacillus tetani, and characterised by increased reflex excitability, hypertonus, and spasm of one or more groups of voluntary muscles. Etiology and Morbid Anatomy.

In 1880 Laveran had described an animal micro-organism, which preyed upon the red corpuscles of the blood, producing an attack of fever with the cycle of its existence. Subsequent studies confirmed and elucidated this fact, and the plasmodium malariae became a matter of common knowledge.

It is a micro-organism which penetrates the tissue, and selects and impregnates it, sets it vibrating, gives it /another life./ But the exciting agent of this intracellular activity, instead of being the normal germ of life, is a parasite." He went on to describe the process minutely and in highly scientific terms, and ended up by saying: "The cancerous tissue never achieves full development.

In this congenial soil they retain their vitality for a long time, and possibly may take on more virulent infective properties than they possessed when expelled from the diseased lungs. Example of a Micro-Organism Bacillus Tuberculosis in Spotum. Ventilation.

Such as do nourish in living tissue are, by distinction, known as parasites. The power a given parasitic micro-organism has of multiplying in the body and giving rise to disease is spoken of as its virulence, and this varies not only with different species, but in the same species at different times and under varying circumstances.

According to the theory of bacteriology a micro-organism is to blame for appendicitis. If this were true it would relieve humanity of all responsibility. There is a disposition on the part of man to shirk responsibility and the germ theory is not the first theory of vicarious atonement that he has spun.

This is a rare disease, the origin of which is as yet unknown, but analogy would suggest that it is due to infection with a slowly growing micro-organism. [Illustration: FIG.

"It may have been an almost instantaneous onset of some new and highly fatal micro-organism, propagating with such marvelous rapidity that it swept the world clean in a day doing its work before any resistance could be organized or thought of. "Again, some poisonous gas may have developed, either from a fissure in the earth's crust, or otherwise.

"They affect us no more than the smallest micro-organism, for we see both with equal clearness. Since we are not obliged to breathe, they cannot injure us; and, besides, they serve to illustrate the working of God's laws, and there is beauty in everything for those that have the senses required for perceiving it.

The demonstration that putrefaction and decay were caused by bacteria, and the early proof that the silkworm disease was produced by a micro-organism, led to the suggestion that the inflammatory diseases accompanying wounds were similarly caused. There are many striking similarities between these troubles and putrefaction, and the suggestion was an obvious one.