Therefore, nicotin becomes a decided cause of hypertension and arteriosclerosis.
The nicotinis doing two things for him that are serious: first, it is raising his blood pressure, and second, it will sooner or later weaken his heart, which may be weakened by the high blood pressure alone.
This is true of hypertension, of arteriosclerosis, of nicotin unless the heart has become injured, and often of caffein, unless it acts in the individual as a nervous stimulant.
The reason for which physicians most frequently must stop their patients from using tobacco, however, is that the heart itself has become affected by the nicotin action.
If due to nicotin, it need not again occur from that reason, and perhaps the damage caused by the nicotin may be removed.
From any one cigar or cigaret but little nicotin is absorbed, else the user would be poisoned.
Ann Arbor find that the livers of dogs have some power of destroying nicotin, but their studies did not show how tolerance to large doses of nicotin is acquired.
Nicotin they found to cause intense stimulation of the vasomotor center.
Nicotin is likely to be an etiologic factor in this class.
The heart is slowed by the action of nicotin on the vagi, as these nerves are stimulated both centrally and peripherally.
The most important action of nicotin is on the circulation.
Many patients who oversmoke lose their appetites, have disturbances from inhibition of the gastric digestion, and may have an irregular action of the bowels from overstimulation of the intestines, since nicotin increases peristalsis.
He considers that after adrenalin or nicotin injections, the function of the liver is so disturbed that lactic acid is not bound.
Barium chloride, digitalin, physostigmin, nicotin and other substances, as well as adrenalin, have been found to exert a selective toxic action on the muscle cells of the middle coat of the aorta.
In Tiaropsis the symptoms of nicotinpoisoning are also well marked.
On dropping Sarsia into a sea-water solution of nicotin of appropriate strength, the animal immediately goes into a violent and continuous spasm, on which a number of rapidly succeeding minute contractions are superimposed.
Such distortions proceed even further under the influence of nicotin than under that of strychnine, etc.
To calculate how much nicotin solution or extract of tobacco should be used for 96 gallons of water, divide the quantity of nicotin required in the dip by the proportion of nicotin in the extract.
Either coal-tar-creosote or nicotin dips may be used.
The nicotin dip is made with sufficient extract of tobacco, or nicotin solution, to give a mixture containing not less than five one-hundredths of 1 per cent nicotin and 2 per cent flowers of sulphur.
For example, suppose the nicotin solution contains 25 per cent nicotin, we have 0.
In preparing these dips the nicotin solution and sulphur should be mixed together with water before adding them to the water in the dipping vat.
In the treatment of ordinary mange with lime-sulphur or nicotin dips two dippings are necessary, the second dipping being given 10 to 14 days after the first.
Neither tobacco nor nicotin are now used by medical practitioners.
Nicotin is an alkaloid, and one of the most deadly poisons known.
The violent sickness caused by the first use of tobacco evidences the poisonous effects of the nicotin upon a body not accustomed to its use.
For while Hermstadt swallowed a grain of nicotianin with impunity, the vapor of pure nicotinis so irritating that it is difficult to breathe in a room in which a single drop has been evaporated.
We are not certain thatnicotin ruins ptyalin; we are certain that the functions of other organs are vicarious of those of the salivary glands.
So, too, the cigar improves with age, because a certain amount of nicotin evaporates and escapes.
It is therefore one of the active constituents of tobacco, though to a much less degree than nicotin itself.
The pipe retains this and a portion of thenicotin in its pores.
By repeated fermentations in preparing snuff, much of the nicotin is evaporated and lost.
In masticating tobacco, nicotin and nicotianin are rolled about in the mouth with the quid, but are not probably so quickly absorbed as when in the gaseous state.
The percentage of nicotin present varies according to the brand and the conditions under which it is cultured.
The Relation of Nicotin to the Burning Quality of Tobacco, U.
Nicotin is undoubtedly decomposed by burning, but it may become volatilized by heat and a certain amount absorbed before decomposition takes place.
A New Method for the Determination of Nicotin in Tobacco, U.
Sidenote: Poisonous Effects] Experiments on animals with nicotin extracts from tobacco and inhalation of tobacco smoke have produced hardening of the large arteries.
No one can doubt the serious injurious effects from such a powerful poison as nicotin if taken in any but the most minute quantities (one to three milligrams have produced profound poisoning in man).
Few people know that one drop of nicotinon the unbroken skin of a rabbit will produce death.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "nicotin" in a variety of sentences. We hope that you will now be able to make sentences using this word.
