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).
TNF
Tumor necrosis factor
Read the definitionRandom terms
Show more- Olfactory Pertaining to olfaction, the sense of smell
- Conor and Bruch disease African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere similar to Rocky…
- Astrocytoma A tumor that begins in the brain or spinal cord in small, star-shaped cells called astrocytes. The location…
- Fear of flowers An abnormal and persistent fear of flowers. Sufferers experience undue anxiety even though they realize they…
- Proxy, health care A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Rale A type of abnormal lung sound heard through a stethoscope. Rales may be sibilant (whistling), dry (crackling)…
- Foreskin and glans, inflammation of the In the uncircumcised male, balanitis (inflammation of the glans, the rounded head of the penis) and posthitis…
- NIA (National Institute on Aging) One of the US National Institutes of Health (NIH). The mission of the National Institute on Aging is to 'lead…
- Pyarthrosis Infectious arthritis. Pyarthrosis is typically caused by a bacterial infection in the joint. Diagnosis is…
- Achromycin See: Tetracycline
- Hepatocellular carcinoma A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver…
- Rhinophyma Pronounced (ryno-fee-ma), a bulbous enlarged red nose and puffy cheeks (like those of the old comedian W.C…