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).
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Read the definitionRandom terms
Show more- Toxo (toxoplasmosis) Toxo (toxoplasmosis): An infection caused by a single-celled parasite named Toxoplasma gondii that may invade…
- Smith-Lemli-Opitz syndrome A multiple congenital malformation syndrome caused by an abnormality in cholesterol metabolism, deficiency of…
- Abdominal aortic aneurysm Our Abdominal aortic aneurysm Main Article provides a comprehensive look at the who, what, when and how of…
- HER1 See: EGFR
- Marker, tumor Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- Rheumatoid arthritis Rheumatoid arthritis: An autoimmune disease which causes chronic inflammation of the joints, the tissue…
- Photophobia Painful oversensitivity to light. For example, there is photophobia in measles (rubeola). Keeping the lights…
- In vitro fertilization In the living organism, as opposed to in vitro (in the laboratory).
- Syndrome, third and fourth pharyngeal pouch See: DiGeorge syndrome
- Internal pacemaker Pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm…
- KUB film An X-ray showing the kidney, ureter, and bladder. This is in reality a plain abdominal X-ray and includes…
- Pregnancy Pregnancy: The state of carrying a developing embryo or fetus within the female body. This condition can be…