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).
Defibrillator
A device used to correct a dangerously abnormal heart rhythm, usually ventricular fibrillation, or to restart the heart by depolarizing its electrical conduction system and delivering brief measured electrical shocks to the chest wall or…
Read the definitionRandom terms
Show more- Aphasia Aphasia: One in a group of speech disorders in which there is a defect or loss of the power of expression by…
- Fear of oneself An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Pharmacist A professional who fills prescriptions, and in the case of a compounding pharmacist, makes them. Pharmacists…
- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Movement, saccadic See: Saccade
- PSC (primary sclerosing cholangitis) See: Primary sclerosing cholangitis
- Phobia, social Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- X-ray 1. High-energy radiation with waves shorter than those of visible light. X-rays possess the properties of…
- Ductal carcinoma in situ See: DCIS
- Multiple system atrophy See: Shy-Drager syndrome, which is also known as multiple system atrophy with postural hypotension
- Hyaline membrane disease A respiratory disease of the newborn, especially the premature infant, in which a membrane composed of…
- Assistant in dying See: Doula (the second meaning)