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).
Immunization, meningococcal
A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and spinal cord due to bacterial infection by an organism called Neisseria meningitidis. The symptoms of meningococcal meningitis include…
Read the definitionRandom terms
Show more- Rate, erythrocyte sedimentation A sedimentation rate, or 'sed rate', is a blood test that detects and is used to monitor inflammation…
- Cardiac ventricle One of the two lower chambers of the heart. The right ventricle is the chamber that receives blood from the…
- PAH Polycyclic aromatic hydrocarbon
- NMR Nuclear Magnetic Resonance. An imaging technique that does not use radiation.
- Liver transplant Liver transplant: Surgery to remove a diseased liver and replace it with a healthy liver (or part of one)…
- Alkyl group In chemistry, a group of atoms derived from an alkane (a hydrocarbon with no carbon-to-carbon multiple bonds)…
- Zoonotic transfer The transmission of a disease from an animal host to a human. Infections transmitted from their animal host…
- Gastroesophageal Pertaining to both the stomach and the esophagus, as in the gastroesophageal junction, the place where the…
- Papilla, fungiform The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum…
- Primary cataract See: Cataract, primary
- Pectoral muscles Muscles of the 'anterior chest' (the front of the chest). Familiarly called the pecs. The Latin 'pectus'…
- Congenital brevicollis See: Klippel-Feil sequence