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).
Four-finger line
See: Simian crease
Read the definitionRandom terms
Show more- Medication, beta-blocker Drugs that antagonize the action of adrenaline (a beta adrenergic substance) and relieve stress to the heart…
- Shaken baby syndrome Syndrome: Ines, particularly to the head, caused by violently shaking an infant. The syndrome is the…
- Encephalitis, viral Inflammation of the brain as a result of virus infection. There are many viruses that cause viral…
- Interstitial radiation therapy Radiation therapy: Radiation treatment given by placing radioactive material directly into the target, often…
- Microtubule motor See: Microtubule motor protein
- Test, visual field A test which measures the extent and distribution of the field of vision. The visual field test may be done…
- Exotropia Divergent gaze. Also called external strabismus or, pejoratively, wall-eyed (like a walleyed pike).
- Saphenous vein The saphenous veins -- there are two, the great and the small saphenous veins - serve as the principal veins…
- Reactant, acute-phase See: Acute-phase protein
- Disease, Raynaud A condition resulting in skin discoloration of the fingers and/or toes when a person is exposed to changes in…
- Reproductive system In women, the organs that are directly involved in producing eggs and in conceiving and carrying babies. In…
- Amyotrophic lateral sclerosis 2 ALS2. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal recessive manner…