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).
Cystadenoma
A cystadenoma is a type of benign tumor that develops from ovarian tissue. They may be filled with a mucous-type fluid material. Cystadenomas can become very large and may measure 12 inches or more in diameter
Read the definitionRandom terms
Show more- Cell, alpha (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Tarantismo See: Tarantism.
- Dog genome All of the genetic information from the dog. The genetic first draft of the dog genome sequence was completed…
- Embryo The organism in the early stages of growth and differentiation from fertilization to, in humans, the…
- Zeitgeber An environmental agent or event that provides the cue for setting or resetting a biological clock. To be…
- Female The traditional definition of female was 'an individual of the sex that bears young' or 'that produces ova or…
- Water hammer pulse See: Pulse, water hammer
- EMT A rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a…
- Fibroma, nonossifying A growing lesion with a fibroma structure. Treatment is by surgery
- Bronchitis Bronchitis: Inflammation and swelling of the bronchi. Bronchitis can be acute or chronic. Chronic bronchitis…
- Compound 118 Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Rice genome The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…