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).
Zenker diverticulum
The most common type of outpouching in the esophagus, due to increased pressure causing the mucous membrane of the esophagus to herniate through a defect in the wall of esophagus. Zenker diverticuli are usually located in the posterior…
Read the definitionRandom terms
Show more- Constraint-induced movement therapy A form of intensive physical therapy aimed at reorganizing and reprogramming the brain after a stroke, a…
- History, developmental An account of how and when a person met developmental milestones, such as walking and talking. For adults…
- HER2 Abbreviation for human epidermal growth factor receptor 2. HER2 is expressed by, and involved in the growth…
- Arenaviridae See: Arenavirus
- Holoprosencephaly A relatively common birth defect of the brain, which often also affects facial features, causing closely…
- Liver of pregnancy, acute fatty Liver failure in late pregnancy, usually from unknown cause. Acute fatty liver of pregnancy (AFLP) typically…
- Up-regulation See: Upregulation
- Dirofilaria immitis The dog heartworm
- Ebola virus A notoriously deadly virus that causes fearsome symptoms, the most prominent being high fever and massive…
- Heat prostration Overheating of the body due to extreme weather conditions. Unrelieved hyperthermia can lead to collapse and…
- ABR test >Hearing integrity (and neurologic normalcy) in infants and young children. >Neurologic integrity (and…
- Nonocular type Stickler syndrome Stickler syndrome, type III. See: Stickler syndrome