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).
Heat stroke
Heat stroke: A core body temperature that rises above 104°F (40°C) accompanied by hot, dry skin and central nervous system abnormalities such as delirium, convulsions, or coma. Heat stroke that results from exposure to a high environmental…
Read the definitionRandom terms
Show more- Phlebo- (prefix) Means vein. From the Greek 'phleps', vein, which came from the root 'phlein', to gush or overflow. Appears in…
- Fever, Thai hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Arthritis, Reiter The combination of inflammation of the joints (arthritis), eyes (conjunctivitis), and GU (genitourinary)…
- XX gonadal dysgenesis with sensorineural deafness See Perrault syndrome
- Magnetic resonance elastography An imaging technique used to measure the elasticity of tissue by gently shaking the tissue in a magnetic…
- Vanishing lung syndrome A radiological syndrome in which the lungs appear to be disappearing on X-ray. The syndrome is characterized…
- Granulocyte colony-stimulating factor See: G-CSF
- Syndrome, Alagille Also known as arteriohepatic dysplasia, this is a genetic disorder characterized by jaundice in the newborn…
- Central retinal artery The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…
- Natural killer cell A cell that can react against and destroy another cell without prior sensitization to it. Natural killer (NK)…
- Neonatology The art and science of caring medically for the newborn.
- Diverticulum A small bulging sac pushing outward from the colon wall is a diverticulum. As a person ages, pressure within…