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).
Chronic
This important term in medicine comes from the Greek chronos, time and means lasting a long time. A chronic condition is one lasting 3 months or more, by the definition of the U.S. National Center for Health Statistics. In ancient Greece…
Read the definitionRandom terms
Show more- Lobule A little lobe.
- Monosodium glutamate MSG, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain foods. Originally…
- Poison Any substance that can cause severe distress or death if ingested, breathed in, or absorbed through the skin…
- Pancreas A fish-shaped spongy grayish-pink organ about 6 inches (15 cm) long that stretches across the back of the…
- Testosterone replacement therapy The practice of giving testosterone to treat conditions in which the testes do not produce enough…
- Hallux valgus A big toe (the hallux) that is bent outward (valgus) so it overlaps the 2nd toe. A bunion is a localized…
- Benzodiazepines A class of drugs that act as tranquilizers and are commonly used in the treatment of anxiety. Benzodiazepines…
- Shin bone fever Fever: Called shin bone fever because it characteristically causes fever and pain in the legs, this disease…
- Synesthesia A condition in which normally separate senses are not separate. Sight may mingle with sound, taste with…
- Glycine An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glycine is part of many…
- Tuberculosis vaccination A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most…
- Carotid body A small 'body' of tissue rich in capillaries, at the spot the carotid artery branches in the neck, containing…