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).
Situational syncope
The temporary loss of consciousness in a particular kind of situation. The situations that trigger this reaction are diverse, and include having blood drawn, straining while urinating or defecating, and coughing. It can also be due to the…
Read the definitionRandom terms
Show more- Arteriogram An x-ray of blood vessels, which becomes visible after an injection of contrast solution into the circulation…
- Hemoglobin, carbon monoxide See: Carboxyhemoglobin
- Drinox Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- American Academy of Orthopaedic Surgeons The professional organization of American orthopaedists. Literally, the practice of child straightening…
- Flood See: 1. Flood readiness; 2. Flood supplies kit; 3. Flood warning; 4. Flood aftermath
- General paresis Progressive dementia and generalized paralysis due to chronic inflammation of the covering and substance of…
- Eruptive xanthoma The sudden eruption on the skin of crops of pink papules (firm pea-sized bumps) with a creamy center. They…
- Lung transplant The first lung transplant was done by the American surgeon James Hardy (1918-) in 1964.
- Diabetes, insulin-dependent Also called type 1 diabetes. See Diabetes, type 1
- Sigmoidoscope A thin lighted instrument used to view the inside of the rectum and lower colon
- Colitis, granulomatous Crohn's disease of the colon (the large intestine). Crohn's disease is a chronic inflammatory disorder…
- Relapsing fever An acute infection with recurrent episodes of fever caused by spirochetes of the genus Borrelia which are…