| 释义 |
heart worm
heart worm[′härt ‚wərm] (invertebrate zoology) Dirofilaria immitis. A filarial nematode parasitic on dogs and other carnivores. heart valve prosthesis heart valve pros·the·sisreplacement of a cardiac valve removed for disease by either a mechanical or a biologically derived artificial valve.heart valve prosthesis Heart surgery A natural–eg, porcine or synthetic valve used to replace a damaged–stenosed or 'insufficient' cardiac valve; ±50,000 are performed/yr–US. See Shiley valve. ThesaurusSeeworm |