The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . change which causes a liberation of the fibrino-plastic matterwhich they contain, and a deposit of fibrillated fibrin. This coagulum isfound to consist of alternate layers of leucocytes and fibrin. In the meantime, if the inflammation be not so severe that rapid necrosis occurs fromthe sudden arrest of the blood supply through the vasa vasorum, new-formedcapillaries push through the mass of new-formed embryonic cells, into thetrue granulation buds (Fig. 510) which project into the lumen of
The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . change which causes a liberation of the fibrino-plastic matterwhich they contain, and a deposit of fibrillated fibrin. This coagulum isfound to consist of alternate layers of leucocytes and fibrin. In the meantime, if the inflammation be not so severe that rapid necrosis occurs fromthe sudden arrest of the blood supply through the vasa vasorum, new-formedcapillaries push through the mass of new-formed embryonic cells, into thetrue granulation buds (Fig. 510) which project into the lumen of the form of arteritis may result in permanent occlusion of the vessel{endarteritis obliterans)^ or the function of the artery may be restored. Ifocclusion occurs, it results from the organization of the embryonic cells into ^ Microscopical Morphology of tlie Animal Body in Health and in Disease. New York, 1883. ARTERITIS. 333 a new tissue which undergoes fibrillation and contraction, a process of cica-trization, to such an extent that the new-formed capillaries are more or less Fig. Traumatic arteritis. Transverse section of the carotid artery of a dog, fifteen days after ligature; b, granula-tion buds formed from projection of the intima. In the centre cf the figure one of these huds has been completelycut across ; m, portion of the media modified by the inflammatory process ; e, adventitia ; V V, vessels cut across,one of which is newly formed in the intima. Magnified 15 diameters. (After Cornil and Eanvier.) occluded, and the artery shrinks to become a fibrous cord. (Fig. 511.) Orthe coagulum may undergo fatty degeneration and be swept away with thecurrcntof blood, the vessel remaining pervious and bearing but little traceof the inflammatory process through which it has passed. The microscopicalappearances of a localized traumatic arteritis are typically represented in , which is copied from a section made from the carotid of a hoise. Theanimal was
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