MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Allergen
A substance that is foreign to the body and can cause an allergic reaction in certain people. For examples, pollen, dander, mold.
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Show more- Sigmoid In human anatomy, the lower colon (the lower portion of the large bowel). 'Sigmoid' is short for 'sigmoid…
- Office of Human Research Protections (OHRP) The agency responsible for developing, monitoring and exercising compliance over the protections afforded…
- Prosthesis, auditory See: Auditory prosthesis
- Sabin, Albert (1906-93) Pioneering researcher on viruses and viral diseases who developed the oral live-virus vaccine…
- Deltoid An adjective and a noun. Adjective: In the shape of delta, the fourth letter in the Greek alphabet. A capital…
- Menetrier's disease See: Giant hypertrophic gastritis
- Nutrigenomics The study of how different foods may interact with specific genes to increase the risk of common chronic…
- Varicella rash Rash: Varicella (chickenpox) is characterized by a rash, often the first sign of the disease. The rash of…
- Shoulder bursitis Shoulder bursitis: Inflammation of one or both of the two major bursae (fluid-filled sacs) in the shoulder…
- Blue cohosh (Caulophyllum thalictroides). A tall North American perennial plant with large blue berries. Blue cohosh is…
- Malformation, congenital A physical defect present in a baby at birth, irrespective of whether the defect is caused by a genetic…
- EYCL2 A gene for brown eye color. See also: Eye color