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).
Chiron
In Greek mythology, the centaur who, wounded by Hercules, invented medicine in order to heal himself. Chiron taught Asclepius the art of healing, which became the source of all divine medical knowledge among the Greeks. Chiron was also the…
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Show more- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Lymphadenopathy Abnormally enlarged lymph nodes. Commonly called 'swollen glands.' The term 'lymphadenopathy' is not as tough…
- Off-pump surgery A technique for heart surgery designed to avoid use of the heart-lung machine. The technique permits surgery…
- Deer mouse A deceptively cute rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary…
- Actinic Referring to the ultraviolet (UV) rays from sunlight and UV lamps. Sunburn is an actinic burn. An actinic…
- Turf toe An injury to the big toe due to forced hyperextension (upward bending back) of the toe. The damage is to the…
- Mortality rate, infant The number of children dying under a year of age divided by the number of live births that year. The infant…
- Diabetes, type 2 One of the two major types of diabetes, the type in which the beta cells of the pancreas produce insulin but…
- PC Although PC is usually taken to mean personal computer, in the biomedical arena PC also stands for protein C…
- Physicians Health Study A very large, long-term, randomized study initiated in 1982 to look at the effects of aspirin and…
- Dizziness, anxiety as a cause of One cause of dizziness is overbreathing (hyperventilation) due to anxiety. The overbreathing also causes…
- Leukodystrophy A disorder of the white matter of the brain, the part of the brain that contains myelinated nerve fibers. The…