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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Gallium
A rare metal with the atomic weight of 69. There are several isotopic forms of gallium that differ from it in atomic weight. One is gallium-68 which is produced by cyclotrons and emits gamma rays. The citrate form of gallium-68 is used as…
Read the definitionRandom terms
Show more- Prepuce The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys…
- Helix, alpha See: Alpha helix
- Nerve compression 'Pinching' a nerve by putting too much pressure on it. For example, the sciatic nerve may be painfully…
- Thalassemia Not just one disease but rather a complex series of genetic (inherited) disorders all of which involve…
- Negative-strand RNA virus Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of…
- Homozygous Possessing two identical forms of a particular gene, one inherited from each parent
- Pericardium, parietal The outer layer of the pericardium which is a conical sac of fibrous tissue that surrounds the heart and the…
- Rodenticide A chemical or other agent used to destroy rats or other rodent pests or prevent them from damaging food…
- Elliptocytosis Hematologic disorder characterized by elliptically shaped red blood cells (elliptocytosis) with variable…
- Cancer, brain Cancer of the central information processing center of the body. Tumors in the brain can be malignant or…
- Tracheostomy Tracheostomy: A surgical operation to create an opening (stoma) into the windpipe (the trachea). The opening…
- Bullae More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls…