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).
Galactosemia
A genetic metabolic disease in which there is a defect in the body's ability to use the sugar galactose. In classic galactosemia, the basic defect is a deficiency of the enzyme known as GALT (galactose-1-phosphate uridyl transferase). This…
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Show more- Burn treatment The treatment of burns depends on the depth, area and location of the burn. Burn depth is generally…
- Beta particle An electron ejected from the nucleus of a decaying atom. Although beta particles can be stopped by a thin…
- Blood Institute, National Heart, Lung, and BI): One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for…
- Fungistat A chemical that keeps fungi from growing. See also: Fungicide
- Fever, typhus See: Typhus
- Ear tag Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located…
- Coccus A bacterial cell which has the shape of a sphere. Coccus enters into the name of a number of bacteria. For…
- Vertebral rib One of the last two ribs. A rib is said to be 'vertebral' if it does not attach to the sternum (the breast…
- Ventricles 1, The right ventricle and the left ventricle, the lower two chambers of the heart. 2. Two or more of the…
- Pancreas A fish-shaped spongy grayish-pink organ about 6 inches (15 cm) long that stretches across the back of the…
- Angiography, coronary The most accurate method (the 'gold standard') for evaluating and defining coronary artery disease (CAD)…
- Patellar ligament See: Patellar tendon