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).
Clostridium difficile
A brain disorder in which there is an abnormal enlargement of the occipital horns of the brain --the posterior or rear portion of the lateral ventricles (cavities or chambers) of the brain. This enlargement occurs when there is an…
Read the definitionRandom terms
Show more- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- Inhibitory RNA See: RNA inactivation; and RNA interference
- Oneirophrenia An hallucinatory (dream-like) state caused by such conditions as prolonged deprivation of sleep, sensory…
- Breast reduction Breast reduction: Surgical reduction of breast size in order to reduce the weight of the breasts and relieve…
- Scrub 1. As a verb, to wash the hands and forearms very thoroughly, as before engaging in surgery. To scrub implies…
- Osteogenesis imperfecta tarda See: Osteogenesis imperfecta type I.
- Nerve, twelfth cranial See: Twelfth cranial nerve
- Tonsils Small masses of lymphoid tissue at the back of the throat, on either side of the throat
- Angioplasty Procedure with a balloon-tipped catheter to enlarge a narrowing in a coronary artery. Also called…
- Ebola virus A notoriously deadly virus that causes fearsome symptoms, the most prominent being high fever and massive…
- Polyphenol A kind of chemical that (at least in theory) may protect against some common health problems and possibly…
- Analgesic drug A drug designed to control pain. Analgesic comes from the Greek an-, without + algesis, sense of pain =…