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).
Locoregional anesthesia
Anesthesia that produces loss of pain only in the region of the surgery. This may be done by a 'spinal' in which an anesthetic agent is administered by lumbar injection. Locoregional anesthesia is in contrast to general anesthesia on the…
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Show more- Bacillus anthracis The bacterium that causes anthrax. Anthrax differs from most bacteria in that they exist in an inactive…
- Aortic stenosis Aortic stenosis: Narrowing (stenosis) of the heart valve between the left ventricle of the heart and the…
- Eyes, flashing lights in the There are a number of causes of spontaneous flashing light sensations in the eye. A sensation of flashing…
- Gametic selection Preferential selection of gametes (germ cells -- sperm or eggs). Gametic selection is a mechanism of…
- Valetudinarian Someone with a weak or sickly constitution, especially someone whose chief concern is being or becoming a…
- Institutional Review Board IRB. A group of scientists, doctors, clergy, and consumers at each health care facility that participates in…
- Eye pressure test A standard eye test that determines the fluid pressure inside the eye. The test is called tonometry…
- Polycythemia vera (PV) Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). PV…
- Bromine A brownish-red element that is a liquid at room temperature, dissolves in water, and has a bleach-like…
- Ankle pain Pain in the ankle, a 'hinged' joint. Ankle pain is commonly due to a sprain or tendinitis. The severity of…
- Disease, Bernard-Soulier Nt platelet syndrome): This disease is a primary problem of platelets in which the platelets lack the ability…
- Syndrome, Wolff-Parkinson-White A condition caused by an abnormality in the electrical system of the heart which normally tells the heart…