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).
Reversal of organs, total
This condition (medically called situs inversus totalis) involves complete transposition (right to left reversal) of the thoracic and abdominal organs. The heart is not in its usual position in the left chest but is on the right…
Read the definitionRandom terms
Show more- Alpha synuclein See: Alpha-synuclein
- Homo sapiens The primate species of mammal to which modern humans belong. Homo sapiens is Latin for knowing man or wise man
- Electrosurgery Instead of using a scalpel, the surgeon utilizes a heat-generating electrical device to burn or vaporize…
- Migraine, common See: Common migraine
- Aortic arch syndrome 1. Any disorder that causes occlusion of the arteries that arise from the aortic arch. 2. Synonym for…
- PUVA PUVA stands for psoralen (P) and ultraviolet A (UVA) therapy in which the patient is exposed first to…
- Fatty acid One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell…
- Acute brain syndrome See: Delirium
- Albert Sabin See: Sabin, Albert
- White blood cell One of the cells the body makes to help fight infections. There are several types of white blood cells…
- Undifferentiated cancer Cancer: A cancer in which the cells are very immature and 'primitive' and do not look like cells in the…
- Fibrosis, radiation Scarring of the lungs from radiation. Radiation fibrosis is a sequel of radiation pneumonitis (inflammation…