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).
Snake
1. A long limbless scaly reptile, some being poisonous. 2. The symbol of rejuvenation and healing in many ancient Mediterranean cultures. The Greek god Asclepius, who specialized in healing, had a single snake entwined around his staff --…
Read the definitionRandom terms
Show more- Lymphoid tissue A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid…
- Syndrome, irritable bowel (IBS) A common gastrointestinal disorder (also called spastic colitis, mucus colitis or nervous colon syndrome)…
- Thrombus A blood clot in a blood vessel or within the heart. From the Greek thrombos meaning a lump or clump, or a…
- Peptide A molecule consisting of 2 or more amino acids. Peptides are smaller than proteins, which are also chains of…
- Acute phase protein See: Acute-phase protein
- Coronary artery spasm A spasm (a sudden constriction) of one of the coronary arteries depriving the (myocardium (the heart muscle)…
- Transcription factor A protein that controls when genes are switched on or off -- whether genes are transcribed or not…
- Bursal Pertaining to a bursa
- Reticuloendotheliosis, leukemic See: Hairy cell leukemia
- Bacteria Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites…
- Carcinogen A substance or agent that causes cancer. Related terms include the adjective 'carcinogenic' and the nouns…
- Enterobiasis Any hernia containing small intestine. 2. Hernia (protrusion) of the small intestine into the upper wall of…