Degenerative changes may produce areas of softening or liquefaction which result in the formation of cystic cavities in the interior of the tumour.
With the exception of hydatid cysts, cysts in the interior of bone are the result of the liquefaction of solid tissue; this may be that of chondroma, myeloma, or sarcoma, but more commonly of the marrow in osteomyelitis fibrosa.
Signs of liquefaction and suppuration support the diagnosis of tubercle.
The undesirable results of the breaking down and liquefaction of the diseased gland may be avoided by the timely withdrawal of the fluid contents through a hollow needle.
The abscess tends to increase in size by progressive liquefaction of the inner layers, caseation of the outer layers, and the further invasion of the surrounding tissues by tubercle bacilli.
If the bacteria gain the upper hand, this process of liquefaction which is characteristic of suppuration, extends into the surrounding tissues, the protective barrier of leucocytes is broken down, and the suppurative process spreads.
A tuberculous abscess results from the disintegration and liquefaction of tuberculous granulation tissue which has undergone caseation.
By the liquefaction of air, which is a very recent and a very scientific method.
Production of oxygen by the liquefaction of air is the latest, cheapest, and most approved method, and is now becoming extensively used in obtaining both oxygen and nitrogen for commercial use.
Rise and Development of the Liquefaction of Gases, New York, 1899.
Until this should be done, the final problem of the liquefaction of hydrogen could not be regarded as satisfactorily solved.
In this well-known principle the means was at hand greatly to simplify and improve the method of liquefaction of gases, only for a long time no one recognized the fact.
From a theoretical point of view the new processes of liquefaction can be classed in two categories.
Several physicists have proposed to employ a method whereby liquefaction should be obtained by expansion with recuperable external work.
In another article, we purpose to examine the character of the fact of the liquefaction of the blood of St. Januarius, according to exact records of its history for several centuries back.
This change is what is known as the liquefaction of the blood of St. Januarius, and is what these thousands have crowded the Tesoro chapel and the cathedral to witness.
The exposition of his relics, during which the liquefaction usually occurs, commences at nine A.
He did not confine his views to the congelation of water alone, but extended them to every case of congelation and liquefaction which he has ascribed equally to the evolution or fixation of latent heat.
Sulphur, by the work of fixation, more easily destroys the easiness of liquefaction than mercury.
There is such an analogy between the cessation of thermometric expansion during the liquefaction of ice, and during the conversion of water into steam, that there could be no hesitation about explaining both in the same way.
This gas is more refractory to liquefaction than sulphurous anhydride, but for this reason it gives on evaporating a still lower temperature than can be attained by the evaporation of sulphurous anhydride.
Thus Cailletet proved the possibility of the liquefaction of gases, but he did not isolate the liquids.
Pictet, in his researches, effected the direct liquefaction of many gases which up to that time had not been liquefied.
The apparatus should be freed from air, which would otherwise hinder the liquefaction of the ammonia.
The liquefactionof ammonia in a thick bent glass tube.
This liquefaction was first observed by Faraday, who sealed up in a tube a mixture of a carbonate and sulphuric acid.
An attentive view, however, of the phenomena of liquefaction and solidification gradually led this sagacious philosopher to a different conclusion.
As it accidentally occurred to me, and to me alone, to witness the original experiment by which Mr. Faraday first condensed chlorine gas into a liquid, I shall here state the circumstances under which its liquefactionwas effected.
The Liquefaction of Chlorine Gas first effected by Mr. Faraday, and witnessed by the Author.
Davy, moreover, immediately applied the method of self-compressing atmosphere to the liquefaction of muriatic gas.
I may add that while he was conducting his first experiments on the liquefaction of gases, thirteen pieces of glass were on one occasion driven by an explosion into Faraday's eye.
Deluges are often caused in the Andes by the liquefaction of great masses of snow, and sometimes by the rending open, during earthquakes, of subterranean cavities filled with water.
The most probable causes of a volcanic outburst at the surface have been in a great degree anticipated in the preceding speculations on the liquefaction of rocks and the generation of gases.
Under the weight of this snow the ice sinks slowly if the water be deep, and the snow is gradually converted into ice by partial liquefaction and re-congelation.
All the world has heard of Professor James Dewar, and of his late great triumphs in the liquefaction of oxygen gas and the solidification of nitrogen and air.
This attachment seems to be effected by the softening or liquefaction of the outer surface of the wall of the hair and its subsequent consolidation, as will be on some future occasion more fully described.
The attachment of the root-hairs is effected by the liquefaction of the outer surface of the cellulose walls, and by the subsequent setting hard of the liquefied matter.
Figures illustrative of compression and liquefaction of ice.
The Veined Structure and the Liquefaction of Ice by Pressure.
We watch the ice surrounding the stake, and find that every speck of dirt upon it retains its position; there is no liquefaction of the ice that bears the dirt, and consequently it rests on the glacier undisturbed.
Mr. James Thomson had referred regelation to the cold produced by the liquefaction of the pressed ice; but in the above experiment all pressure is not only taken away, but is replaced by tension.
Crateriform: A saucer-shaped liquefaction of the gelatine (Fig.
Many bacteria produce soluble ferments or enzymes during the course of their growth, as evidenced by the liquefaction of gelatine, the clotting of milk, etc.
The presence of condensation water at the bottom of the tube must not be confounded with liquefaction of the medium.
Stratiform: Liquefaction extending to the walls of the tube and downward horizontally (Fig.
Note the presence or absence of liquefaction of the surrounding medium.
Note the presence or absence of liquefaction of the medium.
We find the same frequenting of dead bodies, the same capacity for the speedy liquefaction of the fleshy matter.
One might inquire into the cause of the liquefaction of the coprini, which is spontaneous, and that of the boletes, which is brought about by the maggots.
With the edible bolete, whose flesh invariably remains white when cut, the product of its liquefaction by the vermin is a very pale brown.
A control tube, filled in the same way, but not colonized, stands beside that in which the strange liquefaction takes place.
The reagent that causes this liquefaction escapes my endeavors to detect it.
In the absence ofliquefaction at such points, the nourishing gruel is unprocurable.
If, then, by pressure a mixture of ice and water can be rendered colder without the actual abstraction of heat, this can only occur by the liquefaction of the ice and the rendering of heat latent.
As the priests said prayers, they turned the vials from time to time; and, the liquefaction being somewhat delayed, the great crowd of people burst out into more and more impassioned expostulations and petitions to the saint.
I also had the advantage of being present at the great religious function of Naples--the liquefaction of the blood of St. Januarius, patron of the city.
Further, in the gelatin puncture the liquefaction which occurs is frequently characteristic.
Also in the case of the gelatin plates, the character of the liquefaction is important.
In the study of pathogenic bacteria the coagulation and digestion of milk, the digestion or liquefaction of blood serum, the liquefaction of gelatin and the production of indol and H{2}S are those usually tested for.
But a still more imposing spectacle than the festival of St Anthony awaited them at Naples: this was the liquefaction of the blood of St Januarius, on September 19, to witness which was the principal object of their visit.
I here state, in the most unqualified manner, my firm conviction, that the liquefaction of the blood of St Januarius is miraculous, beyond the shadow of a doubt.
This process ofliquefaction will continue for a considerable time, during which the thermometer immersed in the ice will constantly be maintained at 32 deg.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "liquefaction" in a variety of sentences. We hope that you will now be able to make sentences using this word.
