| screw-worm | The larva of the botfly, Cochliomyia hominivorax, and other similar forms that cause human and animal myiasis. (05 Mar 2000) |
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| screw worm infection | Infection with larvae of the blow fly cochliomyia hominivorax (callitroga americanum), a common cause of disease in livestock in the southern and southwestern u.s.a. (12 Dec 1998) |
| hindleys screw | <mechanics> A screw cut on a solid whose sides are arcs of the periphery of a wheel into the teeth of which the screw is intended to work. It is named from the person who first used the form. Source: Websters Dictionary (01 Mar 1998) |
| secondary screw-worm | An accidental or facultative screw-worm that enters a prior wound or suppurated condition and feeds on infected rather than intact tissues. Many blowflies are included, such as Calliphora vicina, Phaenicia sericata, Phormia regina, Cochliomyia macellaria, Chrysomyia species, and other fleshflies. (05 Mar 2000) |