INFARCT

n. Ian'fa3rkt. Gr.. ifuftpaytna. Lat., infarct us (from in far cire, to stuff into). Ger., /, Infarkt. It.,Sp.,in far to. 1. The lesion of infarction; a plug in a duct or blood-ve el, or an extravasation of blood, together with the surrounding engorgement dependent on the obstruction. 2. A nodular deposit of chronic inflammatory products in the substance of a ti ue or organ. [A, 326 (o, 21); A, 385.] Calcareous i. Ger., Kalkinftirkt. An i. in which the plug consists of calcareous matter. [A. 326 (o, 21).] Di ecting i. Ger., dis sec i render I. An i. which has stellate branches extending out into the inflamed ti ue surrounding the main infarction, [a, 40.] Dry i. A hsemorrhagic i. in which the moisture has been replaced by fat cells, and, being deprived of the oxygen and moisture nece ary for putrefaction, may remain unchanged for an indefinite period, [o, 40.] GalleiipiRmenti' (Ger.). The infiltration of a conical area of the kidney with bile pigment, [a, 40.] Pigment i. Ger., PigmentV. A form of i described by Virchow in which large ma es of pigment are found in the urinary tubules. [D, 3.] Pysemic i. An 1. due to the obstruction of the blood-ve el supplying an area by a pysemic embolus. It is especially seen in the lungs, kidney, and spleen. [Delafleld (a, 40).l Uterus!' (Ger.). See Uterine INFARCTION. Yellow i. An opaque, yellowish, white conical patch found beneath the capsule of the spleen or kidney, following the obstruction of a blood-ve el in the organ. It consists of necrosed ti ue with some fragments of disorganized and decolorized blood-clot. [Ziegler (a, 40).] [s. 452]