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).
Hemodialysis
Hemodialysis: A medical procedure that uses a special machine (a dialysis machine) to filter waste products from the blood and to restore normal constituents to it. This shuffling of multiple substances is accomplished by virtue of the…
Read the definitionRandom terms
Show more- Rash, varicella Rash, varicella: Varicella (chickenpox) is characterized by a rash, often the first sign of the disease. The…
- ET Street name for alpha-ethyltryptamine
- Hong Kong flu A pandemic of influenza A (H3N2) in 1968-69. This virus was first detected in Hong Kong in early 1968 and…
- Acid indigestion Excessive secretion of hydrochloric acid by the stomach cells. Medically known as hyperchlorhydria. Sometimes…
- Leukemia, smoldering A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Gua-sha A method in tradition Chinese medicine in which the skin on the back, limbs, and other parts of the body is…
- Atropine A drug obtained from belladonna that is administered via injection, eye drops, or in oral form to relax…
- Vestibular neuronitis Inflammation of the vestibular nerve, the nerve running to the vestibule. (The vestibule is in the inner ear…
- Benign intracranial hypertension Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea…
- Reticulocytosis An elevation in the number of reticulocytes (young red blood cells) in blood, a sign of unusually rapid red…
- U.S. National Library of Medicine (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Quack 1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease…