| scolex | Origin: NL, from Gr. Worm, grub. <zoology> The embryo produced directly from the egg in a metagenetic series, especially the larva of a tapeworm or other parasitic worm. One of the Scolecida. Source: Websters Dictionary (01 Mar 1998) |
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| TAB vaccine | A suspension of killed typhoid and paratyphoid A and B bacilli. See: typhoid vaccine. Synonym: TAB vaccine. (05 Mar 2000) |