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- Oxygen A colorless, odorless and tasteless gas that makes up about 20% of the air we breathe (and at least half the…
- Adenosine thallium scan A method of examining the heart to obtain information about the blood supply to the heart muscle. Special…
- Trisomy 21 syndrome A common chromosome disorder, often called Down syndrome, due to an extra chromosome number 21 (trisomy 21)…
- Anthrax toxin The toxic substance secreted by the bacterium Bacillus anthracis, the causative agent of the disease anthrax…
- Heteroclite Deviating from the ordinary; irregular or abnormal; anomalous. As, for example, retroviruses represent a…
- Arthrogryposis Joint contractures that develop before birth (prenatally) and are evident at birth (congenitally). A newborn…
- Glaucoma, acute angle-closure Glaucoma, acute angle-closure: Increased pressure in the front chamber (anterior chamber) of the eye due to…
- DSM-IV The 4th edition of 'Diagnostic and Statistical Manual of Mental Disorders' (DSM) a comprehensive…
- Y. pestis Yersinia pestis, the bacteria that causes the bubonic plague which in the year 541 (as the Black Death) and…
- DEB (dystrophic epidermolysis bullosa) See: Dystrophic epidermolysis bullosa
- Genome, Hereford See: Bovine genome
- BPPV (benign paroxysmal positional vertigo) A balance disorder that results in the sudden onset of dizziness, spinning, or vertigo when moving the head