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).
Failure, heart
Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump blood with normal efficiency. When this occurs, the heart is unable to provide adequate blood flow to other organs such as the brain…
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Show more- Fundoplication A surgical teque that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Aspirin resistance 1. The inability of aspirin to protect a person from cardiovascular events such as heart attacks and strokes…
- XYY syndrome A chromosomal disorder that affects males only, caused by the presence of an extra Y chromosome. Symptoms may…
- Disease, polycystic ovary See: Polycystic ovarian syndrome
- Cerebrohepatorenal syndrome A genetic disorder, which is also called the Zellweger syndrome, characterized by the reduction or absence of…
- Study, crossover A type of clinical trial in which the study subjects receive each treatment in a random order. In this type…
- Western blot A technique in molecular biology, used to separate and identify proteins. Called a Western blot merely…
- Multiple lentigines syndrome See: LEOPARD syndrome
- Thyroglobulin A protein found in the thyroid gland. Some thyroglobulin can be found in the blood, and this amount may be…
- Erythropoietin test Erythropoietin test: A test of the hormone erythropoietin (EPO) in blood. An abnormal level of EPO may mean…
- Enanthem A rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a…
- Alogia 1. Complete lack of speech, as in profound mental retardation or advanced dementia. Alogia is synonymous in…