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).
Bar chart
Proper term in mathematics for what is popularly called a bar graph. See: Bar graph
Read the definitionRandom terms
Show more- Cerebral cortex A thin mantle of gray matter about the size of a formal dinner napkin covering the surface of each cerebral…
- Syndrome, Gilbert See Gilbert syndrome
- Quarantine The period of isolation decreed to control the spread of infectious disease. Before the era of antibiotics…
- Arteriosclerosis Hardening and thickening of the walls of the arteries. Arteriosclerosis can occur because of fatty deposits…
- Full gene sequence The complete order of bases in a gene. This order determines which protein a gene will produce
- Acute leukemia Leukemia: Cancer of the white blood cells (leukemia) that characteristically comes on abruptly and, if not…
- Segmental arterial Doppler pressures A test that measures the blood pressures in the legs to make sure there is normal blood flow. The test is…
- Illness, altitude >If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Coxsackie virus Coxsackie virus: See: Coxsackievirus.
- Bone, thigh The thigh bone in anatomy is called the 'femur.' Whichever term -- thigh bone or femur -- you care to use, it…
- DSCR See: Down syndrome critical region