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).
Opioid
1. A synthetic narcotic that resembles the naturally occurring opiates. 2. Any substance that binds to or otherwise affects the opiate receptors on the surface of the cell
Read the definitionRandom terms
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- RX Medical abbreviation for treatment
- Corneal topography Also known as videokeratography or corneal mapping, corneal topography is a method of computer-assisted…
- Spondylosis Degeneration of the disc spaces between the vertebrae. This finding in the spine is commonly associated with…
- Parenteral nutrition Intravenous feeding. Also called parenteral alimentation
- Metanalysis A technique currently popular in medical research, whereby all data from all available studies of something…
- Microtubule motor protein A protein that plays a role in spindle assembly and function or in chromosome movement during meiosis or…
- Sleeplessness Insomnia. See also Fatal familial insomnia
- Disease, Bernard-Soulier Nt platelet syndrome): This disease is a primary problem of platelets in which the platelets lack the ability…
- Granulocytopenia A marked decrease in the number of granulocytes. Granulocytes are a type of white blood cell filled with…
- Leukemia, blastic phase of Leukemia, blastic phase of: A stage in which 30 percent or more of the cells in the bone marrow or blood are…
- Galeophobia An abnormally large and persistent fear of sharks. Sufferers from this phobia experience anxiety even though…