| helsinki declaration | An agreement signed in helsinki, finland in 1975 by 35 countries, that promotes human rights and economic, social, and cultural progress. It is officially called the conference on security and cooperation in europe. In medicine it often refers to the ethics of clinical research, human experimentation, consent, and other questions of medical ethics. (12 Dec 1998) |
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| helter-skelter | In hurry and confusion; without definite purpose; irregularly. "Helter-skelter have I rode to thee." (Shak) "A wistaria vine running helter-skelter across the roof." (J. C. Harris) Origin: An onomatpoetic word. Cf. G. Holter-polter, D. Holder de bolder. Source: Websters Dictionary (01 Mar 1998) |
| Helvella esculenta | A species of mushroom that may produce a monomethylhydrazine toxin which causes nausea, diarrhoea, and other symptoms; in severe cases death may occur. Synonym: Helvella esculenta. (05 Mar 2000) |
| helvite | <chemical> A mineral of a yellowish colour, consisting chiefly of silica, glucina, manganese, and iron, with a little sulphur. Origin: L. Helvus of a light bay colour. Source: Websters Dictionary (01 Mar 1998) |
| Helweg | Hans K.S., Danish physician, 1847-1901. See: Helweg's bundle. (05 Mar 2000) |
| Helweg's bundle | A slender bundle of nerve fibres in the peripheral zone of the lateral funiculus of the spinal cord, composed of spino-olivary fibres more likely than olivospinal fibres. Synonym: Helweg's bundle. (05 Mar 2000) |
| Helweg-Larssen | Helweg-Larssen, Hans F., 20th century Danish dermatologist. See: Helweg-Larssen syndrome. (05 Mar 2000) |
| Helweg-Larssen syndrome | <syndrome> Familial anhidrosis present from birth with neurolabyrinthitis developing in the fourth or fifth decade. (05 Mar 2000) |