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).
Black Death
The Medieval black plague that ravaged Europe and killed a third of its population. It was due to the plague which is caused by a bacterium (Yersinia pestis) transmitted to humans from infected rats by the oriental rat flea. In…
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Show more- Recurrence risk In medical genetics, the recurrence risk is the chance that a genetic (inherited) disease present in the…
- Cell lineage A genealogic pedigree of cells related through mitotic division
- Sigmoid volvulus See: Volvulus
- NIH A genetic disease named for the city of Nijmegen (in The Netherlands) with increased chromosome breakage…
- Ulnar Referring to the larger of the two long bones in the forearm. (The smaller one is the radius). The ulna is on…
- Poliomyelitis An acute and sometimes devastating viral disease. Man is the only natural host for poliovirus. The virus…
- Arm 1. In popular usage, the appendage that extends from the shoulder to the hand. However, the medical…
- Malrotation of the intestine Failure for the intestine to rotate normally during embryonic development. One of the dangers is that the…
- Hairball A wad of swallowed hair. Hairballs can sometimes be found to cause blockage of the digestive system…
- Ketonuria A condition in which abnormally high amounts of ketone bodies (a byproduct of the breakdown of cells) are…
- EDC Estimated date of confinement, the estimated calendar date when the baby will be born
- Papillomatosis, recurrent respiratory Recurrent respiratory papillomatosis involves the growth of numerous warty growths in the larynx on the vocal…