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).
Lung, and Blood Institute, National Heart,
BI): One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for a national research program in diseases of the heart, blood vessels, lungs, and blood and in transfusion medicine through support…
Read the definitionRandom terms
Show more- Tick, American dog See American dog tick
- Polymorphism A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a…
- Perry syndrome A familial form of Parkinson disease together with depression, weight loss and central hypoventilation in…
- Journal of the National Cancer Institute Cancer Institute: A medical journal sponsored by the National Cancer Institute (NCI), one of the National…
- Ataxia Wobbliness. Incoordination and unsteadiness due to the brain's failure to regulate the body's posture and…
- Demarcation A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word…
- Femara Brand name for letrozole, an oral antiestrogen. Femara inhibits the enzyme aromatase in the adrenal glands…
- Juvenile rheumatoid arthritis See: Arthritis, systemic-onset juvenile rheumatoid
- Vaginitis, atrophic Thinning of the lining (the endothelium) of the vagina due to decreased production of estrogen. This may…
- Slipped spine See: Spondylolisthesis
- Blastoma A tumor thought to arise in embryonic tissue. The term 'blastoma' is commonly used as part of the name for a…
- Rubella vaccine A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…