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).
Asplenia
The absence of a spleen or one that functions. (The spleen can be functionally destroyed, as occurs in patients with sickle cell disease.) The spleen, an organ located in the upper left part of the abdomen near the stomach, produces…
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Show more- Interleukin-10 Abbreviated IL-10. An antiinflammatory and immunosuppressive substance produced within the body. IL-10 plays…
- Berlin Heart The name of a company in Berlin, Germany and of a ventricular assist device it makes. The device works by…
- Neuroendocrine cancer of the skin Also called Merkel cell carcinoma. An uncommon but highly malignant skin tumor that characteristically starts…
- Idiopathic nephrotic syndrome of childhood See: Minimal change disease
- Helicobacter pylori Helicobacter pylori: Bacteria that cause stomach inflammation (gastritis) and ulcers in the stomach. This…
- Dopamine An important neurotransmitter (messenger) in the brain. Dopamine is classified as a catecholamine (a class of…
- Urination, painful See: Dysuria
- Pleuritis Inflammation of the pleura. When the pleura becomes inflamed, it can produce more than the normal amount of…
- Heat stroke Heat stroke: A core body temperature that rises above 104°F (40°C) accompanied by hot, dry skin and central…
- Mononucleosis Infection with the Epstein-Barr virus (EBV, human herpesvirus 4, HHV-4) in which there is an increase of…
- Amygdaloid Like an almond. Almond-shaped. As the amygdaloid nucleus in the brain, a structure that anatomists thought…
- Kveim test A skin test for detecting sarcoidosis, a disease of unknown origin that causes inflammation of body tissues…