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).
Systole, premature
See: Extrasystole
Read the definitionRandom terms
Show more- Pork tapeworm Taenia solium
- Lens, ocular In a microscope, the lens closest to the eye is termed the ocular (the eyepiece) whereas the objective (also…
- Porcelain gallbladder Calcification of the wall of the gallbladder. The gallbladder looks on ultrasound, abdominal X-ray and…
- Pectus excavatum Caved-in or funnel chest. The Latin 'pectus' means 'chest.' The chest is excavated. It looks as if it has…
- Toddler elbow See: Nursemaid's elbow
- Jackson Laboratory The premiere place for mouse genetics and the largest mammalian genetic research facility in the world. Many…
- Intussusception Intussusception: Telescoping (prolapse) of a portion of the intestine within another immediately adjacent…
- Interstitial cystitis (IC) Disease that involves inflammation or irritation of the bladder wall. This inflammation can lead to scarring…
- Herpes, febrile A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Nystagmus Rapid rhythmic repetitious involuntary (unwilled) eye movements. Nystagmus can be horizontal, vertical or…
- Hallucination, hypnagogic See: Hypnagogic hallucination
- Blastoma A tumor thought to arise in embryonic tissue. The term 'blastoma' is commonly used as part of the name for a…