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).
Conformal radiation therapy
A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor as accurately as possible and give it the highest possible dose of radiation while sparing normal tissue as much as possible. It is…
Read the definitionRandom terms
Show more- Pathogenesis The development of a disease. The origin of a disease and the chain of events leading to that disease
- Nurses Health Study A very large and important prospective investigation into the risk factors for major chronic diseases in…
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Forensic Dealing with the application of scientific knowledge to legal problems and legal proceedings as, for example…
- Munchhausen syndrome (This is an alternate entry to Munchhausen syndrome. Münchhausen has an umlaut over the u but it is sometimes…
- Vitamin B -- nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…
- Palmar Pertaining to the palm (the grasping side) of the hand. The ancient Romans used the word 'palma' for the…
- Hepatico- A combining form used before a consonant to indicate a relationship to a hepatic duct or the liver. From the…
- Pfeiffer syndrome A syndrome of craniosynostosis (premature fusion of the cranial sutures) due to mutation in FGFR (fibroblast…
- Varco See: Varco, Richard L.
- Compassionate use Term used in the US for a method of providing experimental therapeutics prior to final FDA approval for use…
- Hypergraphic A person with hypergraphia, the insatiable urge to write