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).
Disease surveillance
The ongoing systematic collection and analysis of data and the provision of information which leads to action being taken to prevent and control a disease, usually one of an infectious nature
Read the definitionRandom terms
Show more- Cytology The medical and scientific study of cells. Cytology refers to a branch of pathology, the medical specialty…
- Milligram A unit of measurement of mass in the metric system equal to a thousandth of a gram. A gram is equal to the…
- Testicles The testicles (also called testes or gonads) are the male sex glands. They are located behind the penis in a…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Lung, collapsed Failure of full expansion of a once fully expanded lung. Medically called atelectasis. The word comes from…
- SSPE Subacute sclerosing panencephalitis, a chronic brain disease of children and adolescents that occurs months…
- CT colonography Another name for virtual colonoscopy. The term CT colonography provides a more accurate description of the…
- R-tPA Recombinant tissue plasminogen activator. See: Tissue plasminogen activator
- Sinus, cavernous A large channel of venous blood creating a 'sinus' cavity bordered by the sphenoid bone and the temporal bone…
- Absorb 1. To take something in, as through the skin or the intestine.2. To react with radiation and reduce it in…
- Bezoar A clump or wad of swallowed food and/or hair. Bezoars can sometimes be found to cause blockage of the…
- Epicanthal fold A fold of skin that comes down across the inner angle (canthus) of the eye. The epicanthal fold is more…