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).
Magnetic resonance imaging
Magnetic resonance imaging: A special radiology technique designed to image internal structures of the body using magnetism, radio waves, and a computer to produce the images of body structures. In magnetic resonance imaging (MRI), the…
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Show more- Feverfew An herb that has been most commonly used for migraine headaches. Feverfew can cause allergic reactions…
- Night blindness Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…
- Orthopedist An orthopaedic surgeon, orthopaedics being the branch of surgery broadly concerned with the skeletal system…
- Essential oil An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some…
- Strait 1. (adjective) Narrow or confined. As in straitjacket. 2. (noun) A narrow passageway. As in the pelvic strait.
- Pyrosis A technical term for what is popularly called heartburn, a burning sensation in the upper abdomen. In many…
- Glutathione S-transferase A family of enzymes that utilize glutathione in reactions contributing to the transformation of a wide range…
- Curcumin A mixture of compounds derived from the curry spice turmeric. Curcumin is sold in the US as a herbal…
- Ant, fire Also called thief ants, a scourge, these red or yellow ants of small-to-medium size, originally from South…
- Base sequence The order of the nucleotide bases -- adenine (A), thymine (T), guanine (G), and cytosine (C) -- in a DNA…
- Parkinson disease gene A gene involved in the causation of Parkinson disease. There are a number of different autosomal dominant and…
- Endocannabinoid A marijuana-like substance. 'Marijuana-like substances (endocannabinoids)... act at specific receptors on the…