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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Show more- Neuron-specific enolase (NSE) Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Facial canal introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Convulsion An abnormal, involuntary contraction of the muscles most typically seen with certain seizure disorders. The…
- Pee An informal term for piss, meant to lessen its vulgarity, but synonymous with it
- Agranulocytosis A marked decrease in the number of granulocytes. Granulocytes are a type of white blood cell filled with…
- Trisomy 21 syndrome A common chromosome disorder, often called Down syndrome, due to an extra chromosome number 21 (trisomy 21)…
- Overload, iron Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Cataract, primary A cataract that develops independently of other diseases. A primary cataract is in contrast to a secondary…
- Syndrome, thoracic outlet A condition due to compromise of blood vessels or nerve fibers between the armpit (axilla) and base of the…
- Intolerance, lactose The inability to digest lactose, a sugar component of milk and most other dairy products. Lactose is…
- Birth companion See: Doula (the first meaning)
- Embolism, crossed See Embolism, paradoxical