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).
Small cell lung cancer
A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell lung cancer
Read the definitionRandom terms
Show more- Callus 1. A localized firm thickening of the upper layer of skin as a result of repetitive friction. A callus on the…
- Vomit Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- Parainfectious Occurring at the time of and in association with an acute infection or an episode of infection. For example…
- Acute coronary syndromes A spectrum of conditions involving chest discomfort or other symptoms caused by lack of oxygen to the heart…
- AN The military designation for hydrogen cyanide. See: Cyanide
- National Academy of Sciences One of the National Academies. Created in 1863 by a congressional charter approved by President Abraham…
- Anti-cyclic citrullinated peptide antibody See: Citrulline antibody
- COPD Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- Wasting 1. Gradual loss (for example, of weight), deterioration, emaciation. As in a wasting disease. 2. Excessive…
- Familial Parkinson disease type 7 A familial form of Parkinson disease inherited in an autosomal recessive manner due to mutation in the DJ1…
- Osteogenesis imperfecta type 2 An inherited connective tissue disorder with extremely severe bone fragility. This is the lethal form of…
- Vincent infection This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…