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).
Acute lymphoblastic leukemia
An acute (sudden onset), rapidly progressing form of leukemia that is characterized by the presence in the blood and bone marrow of large numbers of unusually immature white blood cells destined to become lymphocytes. Acute lymphoblastic…
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Show more- Darwin, Charles English naturalist (1809-82), considered the father of evolution. Darwin voyaged aboard the Beagle to see the…
- Laryngectomee A person who has had his or her larynx (voice box) removed. A partial laryngectomy preserves the voice. The…
- Major A major may be an officer in the military but, in a larger sense, it can be anything that is more than…
- Carbohydrates Mainly sugars and starches, together constituting one of the three principal types of nutrients used as…
- Incontinence Inability to control excretions. Urinary incontinence is inability to keep urine in the bladder. Fecal…
- Isotonic solution A solution that has the same salt concentration as the normal cells of the body and the blood. As opposed to…
- St. Vitus dance Another name for Sydenham chorea. St. Vitus is the patron saint of epileptics, dancers, and actors
- Medial occipitotemporal gyrus See: Lingual gyrus
- Oesophagus Alternate spelling for esophagus. The British have an oesophagus while Americans have an esophagus. But on…
- Southern tick-associated rash illness A disease characterized by a rash like that in Lyme disease, recognized in the southeastern and south-central…
- Bulimia Bulimia: Also called bulimia nervosa. An eating disorder characterized by episodes of secretive excessive…
- Myelofibrosis Fibrosis (spontaneous scarring) of the bone marrow. This can be associated with a variety of diseases…