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).
Common cold
Common cold: A viral upper respiratory tract infection. This contagious illness can be caused by many different types of viruses, and the body can never build up resistance to all of them. For this reason, colds are a frequent and…
Read the definitionRandom terms
Show more- Ankle-foot orthosis A brace (usually plastic) worn on the lower leg and foot to support the ankle, hold the foot and ankle in the…
- Rule out A term much used in medicine, meaning to eliminate or exclude something from consideration. The ACB (albumin…
- Deficiency, adenosine deaminase (ADA) A genetic (inherited) condition that results in a immune deficiency disorder called severe combined…
- Conception 1. The union of the sperm and the ovum. Synonymous with fertilization.2. The onset of pregnancy, marked by…
- Urography A method for examining the structure and functionality of urinary system. A special dye is injected, and…
- Prothrombin 20210A mutation See: Prothrombin mutation G20210A
- Inpatient A patient whose care requires a stay in a hospital. As opposed to an outpatient. The term inpatient dates…
- Neutrophil A type of white blood cell, specifically a form of granulocyte, filled with neutrally-staining granules, tiny…
- Co-payment A payment made by an individual who has health insurance, usually at the time a service is received, to…
- Genome, Hereford See: Bovine genome
- Thalassemia, alpha A blood disorder, thalassemia is not one disease but rather a group of disorders that have a single feature…
- Lewis Thomas See: Thomas, Lewis