Phlebitis and thrombosis; the Hunterian lectures delivered before the Royal college of surgeons of England in March, 1906 . ^ A. -;* FIG. I.—OBLITERATING ARTERITIS: SHOWING COATS OF VESSEL MUCH THICKENED,AND ORGANIZING AND ADHERENT CLOT. {To/aceJ). 13. Phlebitis and Thrombosis 13 to the liquefaction of the blood-plates. Such a thrombus,starting in a vein from some point of injury, or, as oftenhappens, forming above the point of attachment of a valve,extends to a variable distance chiefly in the direction ofthe blood-current. Thrombosis may be simultaneouslyof wide extent, or the process may sp
Phlebitis and thrombosis; the Hunterian lectures delivered before the Royal college of surgeons of England in March, 1906 . ^ A. -;* FIG. I.—OBLITERATING ARTERITIS: SHOWING COATS OF VESSEL MUCH THICKENED,AND ORGANIZING AND ADHERENT CLOT. {To/aceJ). 13. Phlebitis and Thrombosis 13 to the liquefaction of the blood-plates. Such a thrombus,starting in a vein from some point of injury, or, as oftenhappens, forming above the point of attachment of a valve,extends to a variable distance chiefly in the direction ofthe blood-current. Thrombosis may be simultaneouslyof wide extent, or the process may spread gradually alongthe vessel towards the heart, obstructing long tracts ofvein and giving rise to very extensive propagation of thethrombus. Extensive thrombi thus formed will presentalternations of white and red thrombus. The original whitethrombus, extending across the vessel, forms a barrier tothe blood-current; stagnation occurs as far as the nextbranch, and thus a red thrombus is added to the white ;upon this the circulating blood deposits fresh whitethrombus, until stasis and coagulation again take place. A thi
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