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The joints of the lower extremity are most commonly affected, and the disease is bilateral in a considerable proportion of cases both knees or both hips, for instance, being implicated. Among the theories suggested in explanation of these arthropathies the most recent is that by Babinski and Barré, which traces the condition to vascular lesions of a syphilitic type in the articular arteries.
The further phylogenetic evolution of the vascular system is revealed to us by the comparative anatomy of the Craniotes.
According to Kisch, the cold mineral waters containing an abundance of sulphate of soda, like Hunyadi and Marienbad, are to be preferred to the hot mineral waters, such as Carlsbad, because of their lesser irritant action on the vascular system, and because they strongly excite diuresis through their low temperature and contained carbonic acid; Carlsbad deserves preference only when obesity is combined with uric acid calculi, or with diabetes.
If the lungs could be seen, they, too, would be found with their vessels injected; if the brain and spinal cord could be laid open to view, they would be discovered in the same condition; if the stomach, the liver, the spleen, the kidneys or any other vascular organs or parts could be exposed, the vascular engorgement would be equally manifest.
Koninckia Leonhardi, Wissmann. a. Ventral view. Part of ventral valve removed to show the vascular impressions of dorsal valve. b. Interior of dorsal valve, showing spiral processes restored. c. Vertical section of both valves. About 600 species of invertebrate fossils occur in the Hallstadt and St. COLUMN 1: COMMON TO OLDER ROCKS. Orthoceras. Bactrites. Macrocheilus. Loxonema. Holopella.
So terrific had been the sweep of the razor that had he had his head thrown back, as he should have done to have accomplished the act properly, with his neck stretched and the elastic vascular walls distended, he would have of a certainty well-nigh decapitated himself. At the hospital, during all the time he travelled the repugnant road back to life, not a word had left his lips.
In this village mairie, a score of miles behind the firing-line, were centred the nerve and vascular systems of an army of half a million men; here was planned and directed the greatest battle of all time. On the upper floor, in a large, light, scantily furnished room, a man with a great silver star on the breast of his light-blue tunic sat at a table, bent over a map.
This fibrous envelope takes the form of a closed round vesicle, surrounding the whole of the ball and pushing between the lens and the horny plate at its outer side. The round wall of the capsule soon divides into two different membranes by surface-cleavage. The inner membrane becomes the choroid or vascular coat, and in front the ciliary corona and iris.
Up to the point to which we have so far considered it, the process of detumescence has been mainly nervous and vascular in character; it has, in fact, been but the more acute stage of a process which has been going on throughout tumescence. But now we reach the point at which a new element comes in: muscular action.
If the attempt to repel the invading organisms is successful, the irritant effects are overcome, the inflammation is arrested, and resolution is said to take place. Certain of the vascular and cellular changes are now utilised to restore the condition to the normal, and repair ensues after the manner already described.
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