United States or French Southern Territories ? Vote for the TOP Country of the Week !
After bathing and nourishing the tissues, it is collected by lymph vessels, which return it to the blood stream by way of the thoracic duct. These lymph vessels take origin in the lymph spaces of the tissues and in the walls of serous cavities, and they usually run alongside blood vessels perivascular lymph vessels.
The virus of syphilis exerts a special influence upon the Blood Vessels, exciting a proliferation of the endothelial lining which results in narrowing of their lumen, endarteritis, and a perivascular infiltration in the form of accumulations of plasma cells around the vessels and in the lymphatics that accompany them.
Under the microscope these tumors showed an increase in the interfascicular as well as perivascular fibers, but the nerve-fibers were not increased in size or number. Virchow collected 30 cases of multiple neurofibromata. In one case he found 500, in another from 800 to 1000 tumors.
Word Of The Day