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).
Myocardial bridge
Literally a bridging of heart muscle over one of the major arteries to the heart (usually the left anterior descending artery). The heart has formed in this abnormal design from birth, whereby the artery is actually 'tunneled' through a…
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Show more- Metatarsals Five cylindrical bones extending from the heel (the tarsus) to the toes. The metatarsals are numbered from…
- Transforming principle Name originally given to DNA. In 1944 Avery, MacLeod, and McCarty published their discovery that the…
- Spider phobia See: Arachnophobia
- Tzanck test The examination of fluid from a bulla (a blister) in search of Tzanck cells characteristic of varicella…
- Mild cognitive impairment Abbreviated MCI. A brain disorder in which thinking abilities are mildly impaired. Individuals with mild…
- UV radiation Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun, can burn the skin…
- Syndrome, congenital rubella The constellation of abnormalities caused by infection with the rubella (German measles) virus before birth…
- Neck pain Neck pain: Neck pain is the sensation of discomfort in the neck area. Neck pain can result from disorders of…
- Startle reflex A reflex seen in normal infants in response to a loud noise. The infant with make a sudden body movement…
- Fat, saturated A fat that is solid at room temperature and comes chiefly from animal food products. Some examples are…
- Chronic phase Refers to the early stages of chronic myelogenous leukemia. The number of immature, abnormal white blood…
- Ribonucleoprotein (RNP) A combination of ribonucleic acid (RNA) and protein. In autoimmune diseases, antibodies can form against…