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).
ABR (auditory brainstem response)
Abbreviation for auditory brainstem response. See: ABR test
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Show more- Litho- See: Lithium.
- Anhedonia Loss of the capacity to experience pleasure. The inability to gain pleasure from normally pleasurable…
- Gingivitis Gum disease with inflammation of the gums. On inspection, the gums will appear red and puffy, and will…
- Defibrillator A device used to correct a dangerously abnormal heart rhythm, usually ventricular fibrillation, or to restart…
- Regulatory sequence A sequence of bases in DNA that controls gene expression
- Hemangioma, hepatic A common benign tumor of the liver made up of small blood vessels. Hepatic hemangioma is the most common…
- Tear film The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that…
- HRT (hormone replacement therapy) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- NIOSH The National Institute for Occupational Safety and Health, a US Federal agency responsible for conducting…
- Vein, saphenous The saphenous veins -- there are two, the great and the small saphenous veins -- are the principal veins that…
- Adipose 'Adipose' means 'fat' but is usually used to refer specifically to tissue made up of mainly fat cells such as…
- Crocodile tears syndrome Spontaneous tearing in parallel with the normal salivation of eating. The crocodile tears syndrome occurs…