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).
Meningitis, Kernig sign of
This clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal cord, is tested for by having the person lie supine (flat on the back), flex the thigh so that it is at a right angle to the…
Read the definitionRandom terms
Show more- Mononeuritis Inflammation of a single nerve. There are many causes of mononeuritis including diabetes mellitus, carpal…
- Acne rosacea Acne, rosacea: This term is actually a misnomer! The appropriate term is simply rosacea which is a chronic…
- MG (myasthenia gravis) Myasthenia gravis (MG): An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of…
- Lingual 1. Having to do with the tongue. 2. Next to the tongue. In dentistry, the tooth surface next to the tongue…
- Cardiac muscle A type of muscle with unique features only found in the heart. The cardiac muscle is the muscle of the heart…
- Sequence, draft DNA Sequence of a DNA with less accuracy than a finished sequence. In a draft sequence, some segments are missing…
- Enhanced external counterpulsation A non-invasive out-patient treatment for heart disease and, in particular, for angina (chest pain due to an…
- YAC YAC stands for yeast artificial chromosome, a vector (carrier) created and used in the laboratory to clone…
- Thoraxes Plural of thorax
- Caecum The caecum (also spelled cecum), the first portion of the large bowel, situated in the lower right quadrant…
- Protein kinase A An enzyme system that is activated by cyclic adenosine monophosphate (cAMP) and that catalyzes the activity…
- Central venous line A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…