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).
Lysosome
An organelle (a little organ) in a cell containing enzymes that degrade macromolecules (large molecules) and other items (such as bacteria) taken up by a cell during the process of endocytosis. In endocytosis, macromolecules and particles…
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Show more- Retinal detachment Retinal detachment: A separation of the retina from its connection at the back of the eye. The separation…
- MAP The commonly used term for Mycobacterium avium subspecies paratuberculosis. MAP is an acronym derived from…
- Chromosome 1 The largest human chromosome, comprising approximately 10% of the human genome. Chromosome 1 contains over…
- Ketoacidosis A feature of uncontrolled diabetes mellitus characterized by a combination of ketosis and acidosis. Ketosis…
- Conduction system, cardiac The electrical conduction system that controls the heart rate. This system generates electrical impulses and…
- Undulant fever An infectious disease due to the bacteria Brucella that characteristically causes rising and falling fevers…
- Piss A vulgar but ancient word used both as a noun and verb:1. (noun) Urine.2. (verb) To urinate.Piss is descended…
- Cubital tunnel syndrome A form of mononeuropathy due to compression or other injury of the ulnar nerve at the elbow. Symptoms of the…
- Saddle sore 1. Sore from riding on a saddle such as on a horse or bike. 2. A sore on a horse caused by an ill-fitting…
- Perionychia An inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial…
- Centimorgan (cM) A unit of measure of genetic recombination frequency. One cM is equal to a 1% chance that a marker at one…
- Tarsal tunnel syndrome A type of compression neuropathy (nerve disease due to compression of the nerve) in the ankle and foot…