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).
Cancer cluster
A greater-than-expected number of cancer cases that occurs within a group of people in a geographic area over a period of time. The expected number of cancer cases is calculated and compared to the observed number of cancer cases. A cancer…
Read the definitionRandom terms
Show more- Cystatin 3 See: Cystatin C
- Pneumonoultramicroscopicsilicovolcanosconiosis Allegedly, 'a lung disease caused by the inhalation of very fine silicate or quartz dust.' The word was…
- Schonlein-Henoch purpura A form of blood vessel inflammation (vasculitis) that typically affects small arterial vessels (capillaries)…
- Syndrome, Timothy See: Timothy syndrome
- Anisocytosis Excessive inequality in the size of the red blood cells. Anisocytosis ('aniso') is apparent on a blood smear…
- Stroke index A cardiodynamic measure. Stroke volume is the amount of blood the left ventricle ejects in one beat, measured…
- Respiratory papillomatosis, recurrent Recurrent respiratory papillomatosis involves the growth of numerous warty growths in the larynx on the vocal…
- Niemann-Pick disease type C Abbreviated NPC. A type of Niemann-Pick disease inherited in an autosomal recessive manner, resulting in…
- Library, genomic A collection of DNA clones made from a set of randomly generated overlapping DNA fragments representing the…
- Charley horse A cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from…
- Toll receptor One of a family of receptors that provide a critical link between immune stimulants produced by…
- Uvulitis Inflammation of the uvula