MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Pericardium
The conical sac of fibrous tissue that surrounds the heart and the roots of the great blood vessels. The pericardium's outer coat (the parietal pericardium) is tough and thickened, loosely cloaks the heart, and is attached to the central…
Read the definitionRandom terms
Show more- Ovarian cyst A fluid-filled sac in the ovary. The most common type of ovarian cyst is called a follicular cyst. It results…
- Cor The Latin word for the heart. For example, cor pulmonale is heart disease that results from abnormally high…
- Incontinence, fecal Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters…
- Ca Abbreviation for circa, meaning about or approximately, as in ca. 1 mg
- Migraine, common See: Common migraine
- Scoliosis, idiopathic A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Intervention The act of intervening, interfering or interceding with the intent of modifying the outcome. In medicine, an…
- Sweating, gustatory Sweating on the forehead, face, scalp, and neck occurring soon after ingesting food. Some gustatory sweating…
- Exudative angina Angina: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is chest pain…
- Recurrence The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site…
- Malabsorption The impaired absorption by the intestines of nutrients from food. Malabsorption can be specific and involve…
- Granny-cam See: Granny cam