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).
Transposon
A short mobile DNA sequence that can replicate and of which copies can be inserted at random sites within chromosomes. A transposon has almost identical sequences at each end and inverted repeat sequences (that run in the opposite…
Read the definitionRandom terms
Show more- Syndrome, Wolff-Parkinson-White A condition caused by an abnormality in the electrical system of the heart which normally tells the heart…
- M.D. Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without…
- Benign melanoma See: Melanoma, benign
- Aerobic Oxygen-requiring. Aerobic bacteria need oxygen to grow. Aerobic exercise requires the heart and lungs to work…
- Nails, white spots on the Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…
- Malattia leventinese An hereditary form of macular degeneration that results in progressive and irreversible visual loss. This…
- Cranial nerve XI The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…
- Fear of going to bed An abnormal and persistent fear of going to bed. Sufferers of this fear experience anxiety even though they…
- Bronchitis, chronic Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…
- Paralysis Loss of voluntary movement (motor function). Paralysis that affects only one muscle or limb is partial…
- Inhibitor, protease An agent that can keep a protease from working and splitting a protein into peptides. Protease inhibitors are…
- Fear of being buried alive An abnormal and persistent fear of being buried alive is called taphephobia. A phobia is an unreasonable sort…