MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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)…
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Show more- Cleidocranial dysostosis >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Shock, cardiogenic Shock caused by heart failure. The heart fails to pump blood effectively. For example, a heart attack (a…
- Hereditary mixed polyposis syndrome (HMPS) A cancer family syndrome characterized by the development of a variety of different types of polyps in…
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Kinder-cam See: Kiddie cam
- Emergency supplies kit An infectious disease that has newly appeared in a population or that has been known for some time but is…
- Antinuclear antibody Antinuclear antibody: An unusual antibody that is directed against structures within the nucleus of the cell…
- Angioplasty Procedure with a balloon-tipped catheter to enlarge a narrowing in a coronary artery. Also called…
- Cardiovascular syncope Cardiovascular syncope: Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there…
- Hypothalamus The area of the brain that controls body temperature, hunger, and thirst
- Disease, Vrolik's Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…
- Sclerose en plaques See: Sclerose en plaques