MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Effect, founder
A population group with an unusual frequency of a gene due to there having been only a small number of original members ('founders') one or more of whom had that gene. For example, the gene for Huntington disease was introduced into the…
Read the definitionRandom terms
Show more- SIDS with dysgenesis of testes Abbreviated SIDDT. For more, see: SIDDT
- EMSY A novel protein that connects the familial and sporadic forms of breast cancer and ovarian cancer. Some cases…
- Colon cancer risk See: Colon cancer family history
- Yard In length, 3 feet or 36 inches or, metrically, 91.44 centimeters. The yard, along with the foot and inch, are…
- Recombinant DNA Advisory Committee (RAC) The National Institutes of Health (NIH) panel that oversees gene-therapy research in the U.S
- External ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The…
- Hallux valgus A big toe (the hallux) that is bent outward (valgus) so it overlaps the 2nd toe. A bunion is a localized…
- Acute mountain sickness (AMS) Acute mountain sickness (AMS) is the effect on the body of being in a high altitude environment. AMS is…
- Immunoglobulin A protein produced by plasma cells and lymphocytes and characteristic of these types of cells…
- Juxta- The prefix "juxta-" comes from the Latin preposition meaning near, nearby, close. Juxtaarticular is composed…
- Stoma An opening into the body from the outside created by a surgeon
- Prepubertal Before puberty, the period during which secondary sex characteristics start to develop and the capability for…