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).
Paracentesis
The removal of fluid from a body cavity using a needle, trocar, cannula, or other hollow instrument. A paracentesis may be diagnostic or therapeutic as, for example, in ascites where there is free fluid in the abdominal (peritoneal)…
Read the definitionRandom terms
Show more- Catamenia Menstruation
- Thermally induced asthma Asthma: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced asthma tends particularly…
- Lassitude Weakness, weariness, listlessness, exhaustion, lethargy. For example, the patient complained of lassitude…
- Gastroenterology The medical specialty devoted to the study, diagnosis and treatment of disorders of the digestive system…
- ALS4 See: Amyotrophic lateral sclerosis 4
- Hershey-Chase experiment An extraordinarily important experiment in 1952 that helped to convince the world that DNA was the genetic…
- A- See: A-
- Transaminase, serum glutamic pyruvic (SGPT) An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- Reverse transcriptase The enzyme that permits the human immunodeficiency virus (HIV) and other retroviruses to use their viral RNA…
- Bubonic plague The most common form of the plague, named for the characteristic buboes -- buboes are enlarged lymph nodes…
- Hexenmilch See: Witch's milk
- Toxic hepatitis Hepatitis (inflammation of the liver) caused by an industrial chemical such as carbon tetrachloride or…