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).
Flu
Short for influenza. The flu is caused by viruses that infect the respiratory tract which are divided into three types, designated A, B, and C. Most people who get the flu recover completely in 1 to 2 weeks, but some people develop serious…
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Show more- Hong Kong flu A pandemic of influenza A (H3N2) in 1968-69. This virus was first detected in Hong Kong in early 1968 and…
- Immunization, DT DT (diphtheria and tetanus) vaccine does not protect from pertussis and is usually reserved for individuals…
- Radiation therapy, external Radiation therapy in which the source of radiation is a machine outside the body
- Tablespoon An old-fashioned but convenient household measure of capacity. A tablespoon holds about 3 teaspoons, each…
- Senescence Aging, the process of becoming old, or the state of being old. As we age, we senesce. No known substance can…
- Central nervous system (CNS) The central nervous system is that part of the nervous system that consists of the brain and spinal cord. The…
- Recombinant tPA Recombinant tissue plasminogen activator. See: Tissue plasminogen activator
- Eye chart, Snellen's The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Rale A type of abnormal lung sound heard through a stethoscope. Rales may be sibilant (whistling), dry (crackling)…
- Filoviridae A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Microdosimetry A technique for measuring the microscopic distribution of energy, useful with different types of radiation…
- Cancer of the rectum See: Rectal cancer