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).
Blister, blood
A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle. One that is more than 5 mm in diameter with thin walls and is full of watery fluid is called a bulla or a bleb. The word…
Read the definitionRandom terms
Show more- Partial seizure A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the…
- Infant in swaddling The symbol of pediatrics and child health. Also known as the della Robbia or the bambino. The infant in…
- Hornet sting Stings from hornets and other large stinging insects such as bees, yellow jackets and wasps can trigger…
- Alagille syndrome Also known as arteriohepatic dysplasia, this is a genetic disorder characterized by jaundice in the newborn…
- Lipoma A benign fatty tumor.
- Polymyalgia Pain in multiple muscles, as in polymyalgia rheumatica
- Cage, rib The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages…
- Aqueduct of Sylvius A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Meniscus injury Injuries to the crescent-shaped cartilage pads between the two joints formed by the femur (the thigh bone)…
- Abruption A sudden breaking off or away. Abruption of the placenta (abruptio placentae) is the premature separation of…
- Crossover study A type of clinical trial in which the study subjects receive each treatment in a random order. With this type…
- Acid, bile See: Bile acid