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).
Antihistamines
Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. Antihistamines do not stop the formation of histamine nor do they stop the conflict between the IgE and antigen…
Read the definitionRandom terms
Show more- Epizootic An epidemic outbreak of disease in an animal population, often with the implication that it may extend to…
- Familial hypercholesterolemia The most common inherited type of hyperlipidemia (high lipid levels in blood). One in every 500 children is…
- Aromatherapy A form of alternative and complimentary medicine based on the use of very concentrated 'essential' oils from…
- Oligodendrocyte A type of cell in the central nervous system. The oligodendrocytes surround and insulate the long fibers (the…
- RDA Abbreviation for the Recommended Dietary Allowance. Or, popularly, the Recommended Daily Allowance
- Fear of crossing bridges An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even…
- Utility In the analysis of health outcomes, utility is a number between 0 and 1 that is assigned to a state of health…
- Bowel sounds The gurgling, rumbling, or growling noises from the abdomen caused by the muscular contractions of…
- Hepatitis C PCR See: HCV PCR
- Pinnate 1. Like the pinna, the part of the ear that projects ('wings out') from the head. 2. Like a feather or leaf…
- Eighth cranial nerve The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- Attenuated Weakened, diluted, thinned, reduced, weakened, diminished. The use of 'attenuated' in medicine is not new. In…