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).
Tay-Sachs disease
A genetic metabolic disorder caused by deficiency of the enzyme hexosaminidase A (hex-A) that results in a failure to process a lipid called GM2 ganglioside that accumulates in the brain and other tissues. Abbreviated TSD. The classic form…
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Show more- Fear of bees An abnormal and persistent fear of bees. A phobia can cause avoidance and panic. Phobias are a relatively…
- Hydroxyapatite Hydroxyapatite: A major component and an essential ingredient of normal bone and teeth. Hydroxyapatite makes…
- Familial Parkinson disease type 11 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…
- VHF Viral hemorrhagic fever
- Ear bones The malleus, incus, and stapes
- Inhibitory RNA See: RNA inactivation; and RNA interference
- Mucopolysaccharidosis type IIIB Sanfilippo syndrome due to deficiency of the enzyme alpha-N-acetylglucosaminidase. See also…
- Patellar ligament See: Patellar tendon
- Ulcer, gastric A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Drain, Penrose See: Penrose drain
- Parenchyma The key elements of an organ essential to its functioning, as distinct from the capsule that encompasses it…
- Chromatophobia An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…