| 释义 |
‖ thrombus Path.|ˈθrɒmbəs|
[mod.L., a. Gr. θρόµβος lump, piece, clot of blood, curd of milk.]
†a. A small tumour occasioned by the escape of blood from a vein into the adjacent cellular tissue, and its coagulation there. Obs.
b. A clot which forms on the wall of a blood vessel or a chamber of the heart, often impeding or obstructing the flow.
milk thrombus, a tumour caused by accumulation of milk in the ducts during lactation (Funk's Standard Dict., 1895).
1693tr. Blancard's Phys. Dict. (ed. 2), Thrombus, the Coagulation of Blood or Milk into Clots or Clusters. 1706Phillips (ed. Kersey), Thrombus... Among Surgeons a small Swelling that arises after the Operation of Bloud-letting, when the Orifice is made too small. 1866A. Flint Princ. Med. (1880) 28 A coagulum formed during life in the heart or in the vessels is called a thrombus. 1873C. H. Ralfe Phys. Chem. 16 A thrombus blocks up a cerebral artery, and acute softening of the cerebral substance supplied by that artery is the result. 1901Osler Princ. & Pract. Med. i. 12 Inflammation of the arteries with thrombus formation has been frequently described in typhoid fever. 1961R. D. Baker Essent. Path. v. 82 There is danger of a portion of the thrombus breaking loose and passing as an embolus to the pulmonary artery and lungs. 1970Passmore & Robson Compan. Med. Stud. II. xxvi. 3/1 In large vessels, the thrombus usually remains plastered as a plaque against the wall of the vessel, whereas in small arteries continuation of the process may lead to an occlusive thrombus which blocks completely the direct blood flow. |