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).
Ring vaccination
The vaccination of all susceptible individuals in a prescribed area around an outbreak of an infectious disease. Ring vaccination controls an outbreak by vaccinating and monitoring a ring of people around each infected individual. The idea…
Read the definitionRandom terms
Show more- Infection, ear (acute middle) Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Dopa A precursor (forerunner) of dopamine, a key neurotransmitter (messenger) in the brain. Dopa is used in the…
- Palindromic Pertaining to a palindrome. A DNA sequence that reads the same in both directions is a palindromic sequence
- Central catheter See: Catheter, central
- Gallstones and ERCP A mixture of microscopic particulate matter in bile, also called biliary sludge, that occurs when particles…
- Streptococcus, group B A major cause of infections, including infections involving the pregnant woman and her newborn infant. Strep…
- Arrhythmias, ventricular Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…
- Immunity, acquired See: Acquired immunity
- Cranial nerve III The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the…
- Pentapeptide A peptide consisting of five amino acids
- Endometriosis Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- Occam's razor The principle of scientific or, in medicine, diagnostic parsimony or 'unitarianism.' In medicine, a clinician…