tox·oid /ˈtɑkˌsɔɪd/
變性毒素,類毒素
tox·oid /ˈtɑkˌsɔɪd/ 名詞
Tox·oid n. Physiol. Chem. An altered form of a toxin, possessing little or no toxic power.
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toxoid
n : a bacterial toxin that has been weakened until it is no
longer toxic but is strong enough to induce the formation
of antibodies and immunity to the specific disease caused
by the toxin; "diphtheria toxoid" [syn: anatoxin]