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).
Heart
The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the chest behind the sternum (breastbone; in front of the trachea, esophagus, and aorta; and above the diaphragm muscle that separates…
Read the definitionRandom terms
Show more- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Antipsoriatic Directed against psoriasis. Sunlight is antipsoriatic, as are a number of drugs
- Speed Common street name for a stimulant drug, especially for an amphetamine. Amphetamines have been used to treat…
- Selfish operon A hypothesis according to which the clustering of genes and their subsequent organization into operons is…
- Tight foreskin See Phimosis
- Enzyme A protein (or protein-based molecule) that speeds up a chemical reaction in a living organism. An enzyme acts…
- Journals, medical In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the…
- Status epilepticus An epileptic seizure that lasts more than 30 minutes; a constant or near-constant state of having seizures…
- Neurobiological disorder An illness of the nervous system caused by genetic, metabolic, or other biological factors. Many illnesses…
- Pain, false labor The pain associated with intermittent non-productive muscular contractions of the womb (uterus) during…
- Locus The place, in Latin.. In genetics, a locus is the place a gene occupies on a chromosome. One locus, two loci
- Intrastromal corneal ring A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…