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).
Long-term memory
A system for permanently storing, managing, and retrieving information for later use. Items of information stored as long-term memory may be available for a lifetime. Long-term memory is in contrast to short-term memory.
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Show more- Vaccine, meningococcal A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and…
- Analgesia The inability to feel pain while still conscious. From the Greek an-, without + algesis, sense of pain.
- Adult primary liver cancer A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Liminal In neurolgy, at the threshold of perception to a sensory stimulus. In other words, just barely perceptible to…
- Tumor grade The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are…
- Achilles tendon A tough sinew that attaches the calf muscle to the back of the heel bone. The Achilles tendon is one of the…
- Heterokaryon A cell with two separate nuclei formed by the experimental fusion of two genetically different cells…
- DSCR See: Down syndrome critical region
- Disease, Cushing The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing disease (or…
- Tylosis A callus or thickening. See: Tylosis with esophageal cancer
- Fahrenheit Thermometer scale in which the freezing point of water is 32°F and the boiling point of water 212°F. The…
- Pain, elbow Elbow pain is most often the result of tendinitis, which can affect the inner or outer elbow. Treatment…