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).
Cholesterol, 'good'
High-density lipoprotein (HDL) cholesterol
Read the definitionRandom terms
Show more- Esophageal stricture, chronic A longstanding narrowing or closure of the normal opening of the swallowing tube leading to the stomach…
- Cardiac myocyte A heart muscle cell. Sometimes called a myocyte when it is understood that it is in the heart. See also…
- Peritoneal dialysis Technique that uses the patient's own body tissues inside of the belly (abdominal cavity) to act as a filter…
- HIV test A test for the human immunodeficiency virus, the cause of AIDS. HIV tests are designed to detect antibodies…
- Exercise, isotonic Exercise when a contracting muscle shortens against a constant load, as when lifting a weight. Isometric…
- Mucus, nasal See: Nasal mucus
- Digestive system The organs that are responsible for getting food into and out of the body and for making use of it. These…
- Patent (noun) A device giving exclusive control and possession. Before the commercialization of biomedical inventions, the…
- Blastomycosis Infection with a fungus called Blastomyces dermatitidis. The infection causes symptoms in about 50% of cases…
- Defibrillator, automated external Destruction of the underlying cartilage framework of the outer ear (pinnae), usually caused by either…
- MASS syndrome A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Left atrium The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it…