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).
Lesion
Pronounced 'lee-sion' with the emphasis on the 'lee,' a lesion can be almost any abnormality involving any tissue or organ due to any disease or any injury. There are, not surprisingly, many types of lesions. There are also a number of…
Read the definitionRandom terms
Show more- Saphenous vein, small The smaller of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Physicians Health Study A very large, long-term, randomized study initiated in 1982 to look at the effects of aspirin and…
- Sentinel lymph node The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Von Willebrand disease Voyeurism is a disorder that involves achieving sexual arousal by observing an unsuspecting and…
- Biosafety The application of knowledge, techniques and equipment to prevent personal, laboratory and environmental…
- Vitamin D A steroid vitamin which promotes the intestinal absorption and metabolism of calcium and phosphorus. Under…
- FBLN3 The gene encoding the protein known as fibulin 3. See: Fibulin 3
- NHGRI Stands for National Human Genome Research Institute, one of the National Institutes of Health (NIH) in the…
- Nasal septum The dividing wall within the nose. The nasal septum runs down the middle of the nose creating two sides to…
- Cide A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as…
- Coxsackie virus Coxsackie virus: See: Coxsackievirus.
- Anatomy, gross Better known among medical students simply as 'gross', gross anatomy is the study of the form of structures…