MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Liver cancer, adult primary
A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular carcinoma. Primary liver cancer is different from cancer that has metastasized (spread) from another place in the body to the liver. The…
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Show more- A1C A test that measures how much glucose has been sticking during the past 3-4 months to hemoglobin, the…
- Unsaturated fat A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…
- Catalepsy The state of persisting in unusual postures or facial expressions, regardless of outside stimuli, as is seen…
- Anoxic Pertaining to anoxia, an absence or near absence of oxygen
- Tendonopathy, patellar See: Patellar tendonitis
- Alternative splicing A mechanism by which different forms of mature mRNAs (messengers RNAs) are generated from the same gene…
- Melena Stools or vomit stained black by blood pigment or dark blood products.
- Modafinil Modafinil: An oral drug first approved by the FDA in 1998 for the treatment of narcolepsy, a condition in…
- Pseudomonas aeruginosa The versatile 'blue-green pus bacteria' that opportunistically infects people, especially those who are…
- Suicidal Pertaining to suicide. the taking of ones own life. As in a suicidal gesture, suicidal thought, or suicidal…
- Delay, developmental Behind schedule in reaching milestones of early childhood development.
- Orientation, anatomic terms of See Anatomic terms of orientation