Organic and functional nervous diseases; a text-book of neurology . robable cause. The exciting causeof the embfjlism may be a sudden physical effort or a sudden mental oremotional 482 CEBEBBAL DISEASES OF VASCULAR ORIGIN. The cause of thrombosis is any form of endarteritis which narrowsthe bloodvessel and finally obliterates its lumen, leading to an ob-struction of the blood current and to the formation of a clot. Ob-literating endarteritis of syphilitic origin is the usual condition leadingto such a filling up of the vessel, and as it is a very common conditionit is the active cause


Organic and functional nervous diseases; a text-book of neurology . robable cause. The exciting causeof the embfjlism may be a sudden physical effort or a sudden mental oremotional 482 CEBEBBAL DISEASES OF VASCULAR ORIGIN. The cause of thrombosis is any form of endarteritis which narrowsthe bloodvessel and finally obliterates its lumen, leading to an ob-struction of the blood current and to the formation of a clot. Ob-literating endarteritis of syphilitic origin is the usual condition leadingto such a filling up of the vessel, and as it is a very common conditionit is the active cause of the majority of cases of apoplexy in youngpersons. In fact it may be stated without hesitation that the vastmajority of cases of apoplexy occurring before the age of forty are dueto syphilitic endarteritis. Senile endarteritis is also very exciting cause of the formation of a thrombus is anything whichweakens the action of the heart and thus slows the blood of apoplexy occurring during sleep are usually cases of throm-bosis. Fig.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnervoussystem, bookye