Embolism

{emf -bo-lizm) [kv, in; fiaAAetv, to throw]. The obstruction of a blood ve el, especially an artery, by a fragment of matter brought from another point. E., Air, obstruction of a ve el by a bubble of air. E., Fat, obstruction of blood-ve els by globules of fat. E., Infective, embolism in which the emboli contain microorganisms and cause metastatic absce es. E., Miliary, a condition in which many small blood-ve els are the seats of emboli. 257