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).
Placebo response
A positive medical response to taking a placebo, a sham medication as if it were an active medication. Up to one-third of patients given a placebo may respond with a reduction in symptoms, depending on the condition. This phenomena is…
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Show more- Prosthesis An artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the…
- GB virus C A virus first identified in 1995 that is genetically related to the hepatitis C virus but which does not…
- ACE (angiotensin converting enzyme) The angiotensins are peptides (substances smaller than proteins) that act as vasoconstricting agents (causing…
- Neurotransmitter A chemical that is released from a nerve cell which thereby transmits an impulse from a nerve cell to another…
- Litho- See: Lithium.
- Moscati, St. Joseph (1880-1927) Dr. Giuseppe (Joseph) Mosati, physician from Naples. First modern doctor to be canonized by the…
- Paralysis Loss of voluntary movement (motor function). Paralysis that affects only one muscle or limb is partial…
- MALT lymphoma A low grade type of malignancy that arises in cells in mucosal tissue which are involved in antibody…
- De Musset sign Rhythmic nodding or bobbing of the head in synchrony with the heart beat, a sign of aortic insufficiency…
- Jenny Craig Jenny Craig is a diet program that originated in Australia in 1983 in Australia and started U.S. operations…
- Factor, rheumatoid Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a blood test for the…
- Bevacizumab Generic name for a monoclonal antibody anticancer drug. See: Avastin