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).
Pneumonic plague
Infection of the lungs by Yersina pestis, the bacterial agent that causes the plague, a disease of animals (rodents and their fleas) and humans. The first signs of the pneumonic plague are fever, headache, weakness, and cough productive of…
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Show more- FTT Failure to thrive. Refers to a child whose physical growth is significantly less than that of peers. There is…
- Cytomegalovirus (CMV) A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted…
- Palmitate An antioxidant and a vitamin A compound that is added to low-fat and fat-free milk to replace the vitamin…
- Syndrome, giant platelet Nard-Soulier syndrome): This condition is a primary problem of platelets in which the platelets lack the…
- Mast cell A connective tissue cell whose normal function is unknown but which is frequently injured in allergic…
- Autosomal dominant hereditary spastic paraplegia A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…
- Cl (chloride) Cl is the chemical symbol for chloride, the major anion found in the fluid outside of cells and in blood. An…
- Quasidominant Pattern of inheritance that seems due to a dominant trait but is in fact due to the mating of a person who…
- Seizure, focal motor See: Focal motor seizure
- Epidermolysis bullosa simplex A blistering skin condition usually inherited as an autosomal dominant disease. The faulty genes are those…
- Kingella kingae A type of bacteria that has emerged from obscurity to become known as an important cause of invasive…
- HER2 Abbreviation for human epidermal growth factor receptor 2. HER2 is expressed by, and involved in the growth…