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).
Dystonia
Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor, and abnormal posture. These movements may involve the entire body, or only an isolated area. Symptoms may even be 'task…
Read the definitionRandom terms
Show more- Desquamate To shed the outer layers of the skin. Although it may sound somewhat fishy, the word 'desquamate' comes from…
- Calcaneocuboid joint The calcaneocuboid joint is located in the foot between the calcaneus bone (the heel bone) and the cuboid…
- Sickness, mountain >If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If…
- Hangman injury (Hangman's fracture) A broken neck involving a fracture of an upper cervical vertebra similar to the injury suffered in death by…
- Heterophyes The replacement of normal tissue of the body by abnormal tissue or by malpositioned normal tissue, a tissue…
- Myokymia Continuous involuntary muscle twitchings that give the appearance of wormlike rippling of muscle. The muscle…
- Oat cell cancer A type of lung cancer in which the cells are small, round and resemble oats. Also called small cell lung…
- Disease, Ramsay Hunt See: Ramsay Hunt syndrome
- Subq Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- Forced expiratory volume The volume of air that can be forced out taking a deep breath, an important measure of pulmonary function…
- Hypercapnia More than the normal level of carbon dioxide in the blood. Hypercapnia is as opposed to hypocapnia and…
- Photochemotherapy, psoralen See: PUVA