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).
Trans fatty acid
An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils. Hydrogenation solidifies liquid oils and increases the shelf life and the flavor stability of oils and foods that contain them…
Read the definitionRandom terms
Show more- Polydactyly More than the normal number of fingers or toes. From the Greek 'polys' (many) + 'dactylos' (finger) = many…
- E2F3 E2F transcription factor 3. E2F3 is a gene on chromosome 6p22 that is a member of the E2F family of…
- Cranial nerve, first The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…
- Warfarin, teratogenicity of Warfarin, teratogenicity of: The anticoagulant warfarin (COUMADIN) is a known teratogen, an agent that can…
- Suicide and sexual orientation High rates of suicide have consistently been reported among homosexuals, particularly among adolescents and…
- Muscle relaxant Muscle relaxant is a term usually used to refer to skeletal muscle relaxants (drugs), which act on the…
- Erythema dose The amount of radiation which, applied to the skin, makes it turn temporarily red (erythematous)
- Hyperlexia The presence of advanced ability to read compared to the ability to understand spoken language. Children with…
- Scler- (Or sclero-) A confusing prefix that can refer exclusively to hardness (from the Greek 'skleros' meaning…
- Ileocolitis, Crohn Crohn disease involving both the ileum (the furthest part of the small intestine just before the colon) and…
- Fontanel (fontanelle) The word fontanel comes from the French fontaine for fountain. The medical term fontanel is a 'soft spot' of…
- ALS6 See: Amyotrophic lateral sclerosis 6