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).
Infarction
The formation of an 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…
Read the definitionRandom terms
Show more- Familial adenomatous polyps, autosomal recessive See: MYH
- Recurrent Back again. A recurrent fever is a fever that has returned after an intermission: a recrudescent fever
- Strait-jacket See: Straitjacket
- Dystrophia brevicollis congenita See: Klippel-Feil sequence
- Deafness and keratopachydermia See Keratitis-ichthyosis-deafness syndrome.
- Endocrine gland A gland that secretes a substance (a hormone) into the bloodstream. The endocrine glands are 'glands of…
- Atrial septal defect (ASD) A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD…
- Morpheus In Greek and Roman mythology, the son of sleep and the god of dreams who lay on an ebony bed in a dim-lit…
- Macular (skin) Adjective referring to macules which are circumscribed changes in the color of skin that are neither raised…
- Fever, Thai hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Umbilicus The vestige left behind on a newborn's belly when the umbilical cord is cut. Also called the navel or belly…
- RNA, messenger A class of RNA that is the template upon which polypeptides are put together. Abbreviated mRNA