| helminthite | <geology> One of the sinuous tracks on the surfaces of many stones, and popularly considered as worm trails. Origin: Gr, a worm. Source: Websters Dictionary (01 Mar 1998) |
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| helminthoid | Wormlike. Origin: G. Helminthodes, wormlike, fr. Helmins, worm, + eidos, resemblance (05 Mar 2000) |
| helminthological | Of or pertaining to helminthology. Origin: Cf. F. Helminthologique. Source: Websters Dictionary (01 Mar 1998) |
| helminthologist | One versed in helminthology. Origin: Cf. F. Helminthologiste. Source: Websters Dictionary (01 Mar 1998) |
| helminthology | <study> The scientific study of parasitic worms, or helminths. (09 Oct 1997) |
| helminthoma | A discrete nodule of granulomatous inflammation (including the healed stage) caused by a helminth or its products, so termed on the basis of certain gross resemblances to a neoplasm. Origin: G. Helmins, worm, + -oma, tumour (05 Mar 2000) |
| helminthophobia | <psychology> Morbid fear of worms. Origin: G. Helmins, worm, + phobos, fear (05 Mar 2000) |
| helminthosporin | <protein> An organic substance produced by a disease-causing fungus which acts like a gibberellin to plants, causing them to grow dramatically. Its chemical formula is C15H10O5. (09 Oct 1997) |
| helminthosporium | A deuteromycetous fungal genus including both saprophytes and plant parasites. (12 Dec 1998) |
| helminthosporium leaf spot | A plant disease affecting some grasses which is caused by parasitic fungi from the genus Helminthosporium and which appears as discoloured spots. (09 Oct 1997) |
| helminths | <epidemiology> Worms, in particular the five groups of parasitic worms: Monogeneans (flukes), Digeneans (flukes, schistosomes), Cestodes (tapeworms), Nematodes (roundworms) and Acanthocephalans (spiny-headed worms). (05 Dec 1998) |
| helmintic | <pharmacology> An agent that is destructive to worms and used for removing internal parasitic worms in animals and humans. Origin: Gr. Helmins = worm (13 Nov 1997) |
| Heloderma | The only genus of poisonous lizards, such as the Gila monster, so named because of the tubercular scales which cover their bodies. They are native to Mexico and the southwestern U.S. Origin: G. Helos, nail, + derma, skin (05 Mar 2000) |
| heloma | Synonym: clavus. Origin: G. Helos, nail, + -oma, tumour (05 Mar 2000) |
| heloma durum | The usual form of corn over a toe joint. Synonym: heloma durum. (05 Mar 2000) |