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- Rorschach test A psychological test involving inkblots. The inkblots are used to determine what a person perceives (reads…
- Open-label trial A clinical trial in which researchers and participants know which drug or vaccine is being administered
- Smallpox vaccine A vaccine containing a live virus called vaccinia used to prevent smallpox. The vaccine does not contain the…
- OAE Acoustic emission test) : OAE is an abbreviation for 'otoacoustic emission test' which measures an acoustic…
- SGA Small for gestational age. SGA infants weigh 2500 g or less at birth and are considered to have intrauterine…
- Heterokaryon A cell with two separate nuclei formed by the experimental fusion of two genetically different cells…
- Tumor marker Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- Hemidiaphragm Half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that serves as the…
- Egg Ovum (plural: ova).
- Osteopetrosis Thickening of the bones which become abnormally dense due an inherited defect in bone resorption -- the…
- Did not attend (DNA) In the UK, DNA is an abbreviation for 'did not attend.' (In the US, the term used for a patient who missed an…
- Kelman, Charles D. See: Phacoemulsification