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).
Empirical
Based on experience and observation, rather than systematic logic. Experienced physicians often use empirical reasoning to make diagnoses, based on having seen many cases over the years. Less-experienced physicians are more likely to use…
Read the definitionRandom terms
Show more- Pacemaker, natural Pacemaker, natural: The natural pacemaker of the heart is the sinus node, one of the major elements in the…
- Biopsy, brain See: Brain biopsy
- Clavus Synonymous with corns. The word 'clavus' is the Latin word for nail
- Cardiologist A doctor who specializes in treating heart disorders
- Radioisotope A version of a chemical element that has an unstable nucleus and emits radiation during its decay to a stable…
- Vinca alkaloid A medication in a class of anticancer drugs that inhibit cancer cell growth by stopping cell division…
- Diabetic coma Coma in a diabetic due to the buildup of ketones in the bloodstream. Ketones are a product of metabolizing…
- Complex partial seizure A form of partial seizure during which the person loses awareness. The patient does not actually become…
- Level 2 biosafety >Level 1 -- This level applies to agents that do not ordinarily cause human disease. >Level 2 -- This level…
- Organic 1. A chemical compound that contains carbon.2. Related to an organ.3. Grown or prepared without the use of…
- Geiger counter The most commonly used portable radiation detection and measuring instrument, consisting of a gas-filled tube…
- Line, central A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…