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).
L
Abbreviation for liter, a metric measure of capacity that, by definition, is equal to the volume of a kilogram of water at 4 degrees centigrade and at standard atmospheric pressure of 760 millimeters of mercury. > >Metric equivalents --…
Read the definitionRandom terms
Show more- Hyperplasia, benign prostatic A condition characterized by overgrowth of the lining of the uterus. Hyperplasia means overgrowth. The…
- Restless leg syndrome Restless leg syndrome: An uncomfortable creeping, crawling, tingling, pulling, twitching, tearing, aching…
- Erythrocyanosis Reddish discoloration and swelling of the limbs in response to cold. Erythrocyanosis is particularly common…
- Vasoconstriction Narrowing of the blood vessels resulting from contracting of the muscular wall of the vessels. The opposite…
- MALT lymphoma A low grade type of malignancy that arises in cells in mucosal tissue which are involved in antibody…
- Glucose, fasting blood Glucose, fasting blood: A method for learning how much glucose (sugar) there is in a blood sample taken after…
- HHV-4 Human herpesvirus 4. See Epstein-Barr virus.
- Fish bowl granuloma Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called…
- RTT (Rett syndrome) See Rett syndrome
- Diffuse mastocytosis A form of mastocytosis in which the entire skin is thickened and leathery with generalized reddening and…
- Eosinophilia, familial See: Familial eosinophilia
- Barotrauma Trauma caused by rapid or extreme changes in air pressure, especially affecting enclosed cavities within the…