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).
Sarcoidosis
Sarcoidosis: A disease of unknown origin that causes small lumps (granulomas) due to chronic inflammation to develop in a great range of body tissues. Sarcoidosis can appear in almost any body organ, but most often starts in the lungs or…
Read the definitionRandom terms
Show more- Osteopath An osteopathic physician who is a Doctor of Osteopathy (D.O.). In most US states, osteopaths must complete a…
- Laryngectomee A person who has had his or her larynx (voice box) removed. A partial laryngectomy preserves the voice. The…
- Nirenberg See: Nirenberg, Marshall W.
- Duodenal Pertaining to the duodenum, part of the small intestine. As in duodenal ulcer or duodenal biliary drainage
- Cancer, breast, familial A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- Tuberculosis vaccination A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most…
- Meningococcus A type of bacteria now formally known as Neisseria meningitidis, which is responsible for a number of…
- Cerebral arterial gas embolism (CAGE) Gas bubbles traveling and lodging (embolizing) in the arteries that supply the brain with blood (and oxygen)…
- Jakob-Creutzfeldt disease A transmissible degenerative brain disorder technically termed spongiform encephalopathy. Eating 'mad cow'…
- Syringoma A benign (non-cancerous) skin tumor that derives from eccrine cells, specialized cells that are related to…
- NIAAA (Nat'l Inst. on Alcoh. Abuse and Alcoholism) Sm: The National Institute on Alcohol Abuse and Alcoholism is one of the National Institutes of Health (NIH)…
- Tetranucleotide A sequence of 4 base pairs. (Bases are the building blocks of DNA.) Expansion of a tetranucleotide repeat…