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).
Jewett staging system
A system for determining the stage of a prostate cancer. The system uses ABCD. The letters 'A' and 'B' designate cancers that are confined to the prostate. The letter 'C' applies to cancers that have grown out of the prostate but have not…
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Show more- Blood-thinner A common name for an anticoagulant agent used to prevent the formation of blood clots. Blood-thinners do not…
- Absolute neutrophil count The real number of white blood cells (WBCs) that are neutrophils. The absolute neutrophil count is commonly…
- Hepatitis C virus A single-stranded RNA virus in the Flaviviridae family that causes hepatitis C. Abbreviated HCV. The HCV…
- Cerebrum The largest part of the brain. It is divided into two hemispheres, or halves. The word 'cerebrum' is the…
- Dinucleotide A sequence of 2 base pairs. A trinucleotide (a triplet of base pairs) may be split into a dinucleotide and a…
- Kaposi sarcoma Sarcoma: A relatively rare type of skin malignancy that tends to afflict elderly people or, especially, those…
- Blue baby operation A surgical procedure for a baby who is cyanotic (blue) due to a heart malformation that prevents blood from…
- Neurodegeneration with brain iron accumulation See: Hallervorden-Spatz disease
- NINDS Stands for the National Institute of Neurological Disorders and Stroke, one of the National Institutes of…
- Hypnolepsy A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Vitamin B5 Vitamin B5 is pantothenic acid, one of the less well known B vitamins, perhaps because it is widely…
- Omphalos The omphalos (or omphalus) is also called the umbilicus or navel. 'Omphalos' is the Greek word for the navel…