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).
Tuberculosis vaccination
A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most developing countries to reduce the severe consequences of TB in infants and children. However, BCG vaccine has variable efficacy in…
Read the definitionRandom terms
Show more- HCV PCR genotype test See: HCV PCR
- Maple syrup urine disease Hereditary disease due to deficiency of an enzyme involved in amino acid metabolism, characterized by urine…
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Gun stock deformity See: Cubitus varus
- Operation, Blalock-Taussig A pioneering heart operation named after the American surgeon Alfred Blalock (1899-1964) and the pediatric…
- Cloning, DNA The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA
- Laparoscopic cholecystectomy Cholecystectomy: Rem of the gallbladder (cholecystectomy) by laparoscopy. Laparoscopic cholecystectomy is…
- Chemical terrorism Terrorism using chemical agents. These chemical agents are poisonous gases, liquids or solids that have toxic…
- Cushing syndrome Cushing syndrome: The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing…
- Wolf-Hirschhorn syndrome Abbreviated WHS. A chromosome disorder due to partial deletion of the short (p) arm of chromosome 4. It is…
- Carcinoma Cancer that begins in the skin or in tissues that line or cover body organs. For example, carcinoma can arise…
- Bar chart Proper term in mathematics for what is popularly called a bar graph. See: Bar graph