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).
Attention deficit disorder (ADD)
Attention deficit disorder (ADD): An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the National Institutes of Health (NIH) issued a consensus report developed by a panel of experts. The…
Read the definitionRandom terms
Show more- ETM1 A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the…
- Kashin-Beck disease A disorder of the bones and joints of the hands and fingers, elbows, knees, and ankles of children and…
- Q arm of a chromosome The long arm of a chromosome. All human chromosomes have 2 arms -- a short arm and a long arm -- that are…
- Glial cell A supportive cell in the central nervous system -- the brain and spinal cord. Glial cells do not conduct…
- Test, Fisher's exact A statistical test of independence much used in medical research. It tests the independence of rows and…
- Health, Inuit See: Artic health
- Passive immunity Immunity produced by the transfer to one person of antibodies that were produced by another person…
- Cymbalta Brand name for duloxetine hydrochloride, a drug approved by the FDA to treat major depresssion in adults and…
- In vivo In the living organism, as opposed to in vitro (in the laboratory).
- Aortic valve, bicuspid Whereas the normal aortic valve in the heart has three flaps (cusps) that open and close, a bicuspid valve…
- WFS1 A gene on the short (p) arm of chromosome 4 in band 4p16 that encodes (provides the instructions for) a…
- Acquired deafness Deafness: The loss of hearing that occurs or develops some time during a person's life but was not present at…