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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Deja vu
(In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent on the à but we have omitted the accents from the entry term for the sake of the English-speaking search engine.) Dejà vu is a…
Read the definitionRandom terms
Show more- Cryostat A chamber that can maintain very low temperatures. Medical laboratories use a cryostat to preserve frozen…
- Tunnel vision Loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like…
- Paroxysmal sleep Sleep: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Liver of pregnancy, acute fatty Liver failure in late pregnancy, usually from unknown cause. Acute fatty liver of pregnancy (AFLP) typically…
- Ampullary carcinoma Cancer of a structure called the ampulla of Vater, a small muscle located at the junction where the common…
- Vein, femoral See: Femoral vein
- Gluteus maximus The greatest gluteal muscle and the biggest muscle in the human body. The gluteus maximus forms the bulk of…
- Blood sugar, high An elevated level of the sugar glucose in the blood. Also called hyperglycemia. High blood sugar is a finding…
- Poland syndactyly A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Urine pH A measure of the acidity or alkalinity of urine. The pH of any fluid is the measure of the hydrogen ion (H-)…
- Teleology The study of the ultimate purpose of the design of something in nature. For example, 'what is the true…
- Extrasystole A premature contraction of the heart that is independent of the normal rhythm of the heart and that arises in…