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).
Infarct
An area of tissue death due to a local lack of oxygen. For example, in a myocardial infarction there is death of myocardial (heart muscle) tissue due to sudden (acute) deprivation of circulating blood. This is usually caused by…
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Show more- Cytotoxic T-lymphocyte A T cell that is antigen-specific and is able to search out and kill specific types of virus-infected cells…
- Caudal An anatomic term meaning 1. Pertaining to the tail or the hind part. 2. Situated in or directed toward the…
- Tuberculosis vaccination A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most…
- Nosocomial Originating or taking place in a hospital, acquired in a hospital, especially in reference to an infection…
- Nosebleed Nosebleed: Its medical name is epistaxis.
- Internal medicine A medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes…
- Focal seizure See: Partial seizure
- Endocardium The lining of the interior surface of the heart chambers. The endocardium consists of a layer of endothelial…
- Vrolik's disease Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…
- Diabetes, juvenile See Diabetes, type 1
- Internal pacemaker Pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm…
- Spongy degeneration of the central nervous system Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central…