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.
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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).
Ileum
The lowest part of the small intestine, located beyond the duodenum and jejunum, just before the large intestine (the colon). Pronounced 'il-eum' in the US and 'eye-leum' in the UK. The word 'ileum' is derived from the Greek 'eileos'…
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Show more- Fracture, compound A fracture in which the bone is sticking through the skin. Also called an open fracture. NTER> A fracture is…
- Radiation 1. Rays of energy. Gamma rays and X-rays are two of the types of energy waves often used in medicine. 2. The…
- Heat stroke Heat stroke: A core body temperature that rises above 104°F (40°C) accompanied by hot, dry skin and central…
- Cholecalciferol Vitamin D3
- Recessive A condition that appears only in individuals who have received two copies of a mutant gene, one copy from…
- Aristolochia fangchi A Chinese herb that is injurious to the kidney and is also associated with an increased risk of cancer of the…
- Cardiac ventricle One of the two lower chambers of the heart. The right ventricle is the chamber that receives blood from the…
- Testosterone A 'male hormone' -- a sex hormone produced by the testes that encourages the development of male sexual…
- Underventilation See: Hypoventilation
- Pineal gland A small gland located deep within in the brain. It is believed to secrete melatonin, and may therefore be…
- BRCA1 A gene that normally acts to restrain the growth of cells in the breast but which, when mutated, predisposes…
- F (symbol) A much used symbol, F stands for fractional concentration; free energy; Fahrenheit; visual field; fluorine…