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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Counterpulsation
A technique that synchronizes the external pumping of blood with the heart's cycle to assist the circulation and decreasing the work of the heart. Counterpulsation pumps when the heart is resting to increase blood flow and oxygen to the…
Read the definitionRandom terms
Show more- Amblyopia Amblyopia: Partial or complete loss of vision in one eye caused by conditions that affect the normal…
- PAT Paroxysmal atrial tachycardia
- GM1 gangliosidosis A genetic lipid storage disorder that is similar in certain respects to Hurler syndrome and Tay-Sachs disease…
- NICHD A silver-white metallic element. Long-term exposure to nickel, such as from jewelry, can cause a form of…
- Rate, erythrocyte sedimentation A sedimentation rate, or 'sed rate', is a blood test that detects and is used to monitor inflammation…
- Memory, working Short-term (recent) memory. Working memory is a system for temporarily storing and managing the information…
- Sternutation Sneezing; the sound of sneezing. When we sneeze, air is expelled with force from the nose (and from the…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Thrombosis, cavernous sinus A cavernous sinus thrombosis is a blood clot within the cavernous sinus, a large channel of venous blood in a…
- Left atrium The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it…
- Surgery, GERD (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Longevity Lifespan. (With increasing longevity, women will soon be postmenopausal for one third of their lives)