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).
Super spreader
A highly infectious person who spreads the agent of an infectious disease to many other people. The historic prototype of the super spreader was Typhoid Mary. The term has also been applied to some persons with SARS (severe acute…
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Show more- Syndrome of ichthyosis, spasticity, oligophrenia A: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad…
- Vitamin B12-responsive methylmalonicaciduria An inherited metabolic (biochemical) disease that, unless effectively treated, causes young children to…
- Ileum The lowest part of the small intestine, located beyond the duodenum and jejunum, just before the large…
- Pressor substance A substance that elevates the arterial blood pressure. For example, prostacyclin (prostaglandin PGI2) is a…
- Pigmentation The coloring of the skin, hair, mucous membranes, and retina of the eye. Pigmentation is due to the…
- Overbreathing See: Hyperventilation
- Flu, Hong Kong See: Hong Kong flu
- Caspase 3 An enzyme that plays a key role in programmed cell death, or apoptosis. Caspase 3 has been called the…
- MGy Abbreviation for milligray
- McClintock See: McClintock, Barbara
- Aphasia Aphasia: One in a group of speech disorders in which there is a defect or loss of the power of expression by…
- Spongiform encephalopathy and cerebral amyloidosis See: Gerstmann-Straussler-Scheinker syndrome