MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Dry eye
A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as if something is in the eye. Other symptoms may include stinging or burning of the eye; episodes of excess tearing that follow periods of very dry sensation…
Read the definitionRandom terms
Show more- Endoscopic sphincterotomy An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a…
- Adenomyosis Pronounced a-den-o- mi-o-sis, this is a common benign condition of the uterus in which the endometrium (the…
- Takayasu arteritis Inflammation of aorta and its branches. See: Takayasu disease
- HMPV Human metapneumovirus
- Crick, Francis British biologist (1916-2004) who shared the 1962 Nobel prize in Medicine and Physiology with James Watson…
- Antielastase An inhibitor of the action of the enzyme elastase. Alpha-1 antitrypsin is an antielastase. Also called an…
- Ophthalmia Inflammation of the eye. Also known as ophthalmitis
- Homolog (homologue) One chromosome of a pair.
- Cannabinoid receptor 1 One of the two known receptors in the endocannabinoid (EC) system associated with the intake of food and…
- Prominentia laryngea The prominence of the larynx, more commonly known as the Adam's apple. This familiar feature in front of the…
- Journal of Clinical Investigation (JCI) A highly regarded journal of medical science that publishes 'biologically significant findings of…
- Model end stage liver disease See: MELD