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).
Recreational water illness
An illness that is spread by swallowing, breathing, or having contact with contaminated water from swimming pools, spas, hot tubs, decorative water fountains, lakes, rivers, or oceans. Recreational water illnesses (RWIs) can cause a wide…
Read the definitionRandom terms
Show more- Stereotaxis Use of a computer and scanning devices to create three-dimensional pictures. This method can be used to…
- Cemento-ossifying fibroma A hard fibrous growth that continues to enlarge, sometimes to very significant size, unless treated, most…
- Disease, Alpers See: Alpers disease
- Septum, atrial The wall between the two upper chambers (the right and left atrium) of the heart
- Fovea In the eye, a tiny pit located in the macula of the retina that provides the clearest vision of all. Only in…
- Lens The transparent structure inside the eye that focuses light rays onto the retina (the nerve layer that lines…
- Substance abuse >A. A maladaptive pattern of substance use leading to clinically significant impairment or distress, as…
- Digestive system The organs that are responsible for getting food into and out of the body and for making use of it. These…
- Rotavirus Rotavirus (RV): A leading cause of severe winter diarrhea in young children, RV each year causes an estimated…
- Echinococcosis Parasitic disease caused by the larval stage of the tapeworm Echinococcus. There are three forms of…
- Ozone A form of oxygen that consists of three atoms of oxygen, in contrast to normal atmospheric oxygen which…
- Extra systole See: Extrasystole