In English / En Español

A Dictionary of Epidemiology - This dictionary is arranged in alphabetical order with cross links provided for searching other areas. There is no search engine. It is edited by Jonathan Swinton and copyrighted by the University of Cambridge.

Allergy Glossary - This is a good site for reference on terms of food and other allergies. It's prepared by the Health on the Net Foundation.

Deciphering MedSpeak - Need a general dictionary of medical terms? Look at this one from the Medical Library Association.

Dictionary of Cancer Terms - A list of terms related to oncology. To find a term in this glossary, you need to select a letter (the first letter of the word you are seeking) or browse the complete glossary. Compiled by the National Cancer Institute.

Diabetes Dictionary Index - This dictionary of diabetes terms is designed for people who have diabetes, and their families and friends. It provides basic information about the disease, its long-term effects, and its care. The words are listed in alphabetical order. Some words have many meanings; only those meanings that relate to diabetes are included.

Digestive Diseases Dictionary - This dictionary defines words that are often used when talking or writing about digestive diseases. It is designed for people who have digestive diseases and their families and friends.

Glossary of Genetic Terms - Designed by the National Human Genome Research Institute, this Internet dictionary has a search engine available. You can either enter your word in the search box or pick the starting letter from the index. With each term, you can not only read the description but also listen to the detailed explanation, and in some cases look at a picture.

Glossary: Health Communication Terms - This is a good glossary dealing with health communications. It is hosted at NCI's website for cancer patients, the public, and the mass media, managed by the Office of Cancer Communications. The glossary is adapted from "Making Health Communication Programs Work - a Planner's Guide", which discusses key principles relative to specific steps in careful planning and development of health communication programs .

Glossary of HIV/AIDS-Related Terms - The third edition of the Glossary of HIV/AIDS-Related Terms has been updated to include new words commonly used to describe HIV, its pathogenesis, its associated treatments, and the medical management of related conditions. Definitions for new terms have been added and updates to some of the existing terms are also included in this third edition.

Glossary of Veterinary Terms - For the veterinarians and pet lovers who need help with some terminology.

The Heart Glossary - A short list of defined medical terms relating to the heart, developed by the Franklin Institute Science Museum.

Herbal Dictionary - Some old fashioned information appears in this 1900s herbal.

MEDLINEPlus Medical Dictionary - The National Library of Medicine provides this medical dictionary.

MEDLINEPlus Medical Encyclopedia - An excellent reference source, the National Library of Medicine contracts with Adam.com for this medical encyclopedia.

MedTerms Medical Dictionary - MedicineNet provides this huge dictionary of medical terms.

Merriam-Webster Medical Dictionary - This extensive medical dictionary is courtesy of InteliHealth.

Pet Health Terms - This list is courtesy of the Feline Diabetes site.

Psychiatry and Neurology Glossary - Need to know the definition of a term used in psychiatry or neurology? If so, check here.

Rare Diseases Terms and Definitions - The Office of Rare Diseases of the National Institutes of Health have created this glossary of terms dealing with rare and orphan diseases.

En Español

Diccionario de Cáncer en NCI - Un recurso con más de 6,000 términos relacionados con el cáncer y la medicina procedente del Instituto Nacional del Cáncer (NCI), parte de los Institutos Nacionales de Salud.

Diccionario en la Clínica Universitaria de Navarra - Buscar los términos médicos por palabras o alfabéticamente.
 
Diccionario Médico en BuenaSalud - En este diccionario médico, usted podrá encontrar el significado de aquellos términos más comúnmente utilizados en medicina.

Enciclopedia Médica en MedlinePlus - Una enciclopedia médica electrónica que presenta información general y estadísticas sobre enfermedades. Incluye factores de riesgo, prevención, síntomas y tratamientos. Numerosos artículos proveen enlaces a láminas y fotografías relacionadas.

Especialidades Médicas - Hoy en día la medicina se ha especializado en cada área del cuerpo, y podemos encontrar a un especialista para todo tipo de condición.  Este sitio ofrece una lista de las especialidades más comunes.

Glosario de Términos Genéticos - El Instituto Nacional de Investigación del Genoma Humano (NHGRI) ha creado el Glosario hablado de términos de genética para ayudar a las personas que no tienen conocimientos científicos a entender los términos y conceptos utilizados en la investigación en genética. Usted puede escuchar o leer las definiciónes.

Glosario en ParaQueEstésBien -Ofrece definiciones muy breves de términos médicos.

KidsHealth para Niños - Haz click en “Glosario” para ver un listado de palabras para que hay definiciones.  Creada por el Centro de Medios de Información para la Salud Infantil de la Fundación Nemours, Kids Health le provee información sobre la salud, actualizada, precisa y libre de lenguaje técnico. Contiene secciones distintos para los padres, los adolescentes y los niños.