European
Medical Dictionary 1830 medical terms in Danish, Dutch, English, French, German, Italian, Portuguese and Spanish. Technical and popular terms in each language; definitions are given in English only.
Dematel
A "resource centre" for medicine. Among much else, it includes a databank of Italian bio-medical resources and an online searchable Italian-English-Italian medicine dictionary. (Note: This page is in Italian)
Glossario
nella struttura trasfusionale [Dead on 18 Feb 99]A short glossary of terms and definitions in Italian on one page, by the Croce Rossa Italiana.
Infodent:
Dictionary of dental terminology 
[4 August 98] [Dead on 18 Feb 99]English to Italian, with index; there is also a link to an Italian-to-English version, but this doesn't seem to be there yet.
Dictionary of
Cell Biology at the University of GlasgowTerms and definitions in English, with online search and thematic indexes.
English
Dictionary of Biotechnology (online search)
Glossary
of terms and Symbols used in Pharmacology One long HTML page with terms and explanations in English, by the Boston University Department of Pharmacology.
Infomedical:
Dictionary of online medical resources by Kwok Lee
[4 August 98]In its current version, about 1400 medical terms with explanations and hypertext links to resources on the Internet.
Medspeak
[12 Aug 98]A glossary of medical terms and definitions on one long page.
The
Internet Sex Glossary
[12 Aug 98]Dictionary of sexology with index search.
