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).
Sting, Africanized bee
All stings from bees (and other large stinging insects such as yellow jackets, hornets and wasps) can trigger allergic reactions varying greatly in severity. Avoidance and prompt treatment are essential. This is surely so with Africanized…
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Show more- Ultraviolet radiation Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Menopause, natural Menopause, natural: Natural menopause occurs when the ovaries naturally decrease their production of the sex…
- Disease, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Pharyngoesophageal diverticulum See: Zenker diverticulum
- Visual field The entire area that can be seen when the eye is directed forward, including that which is seen with…
- Preemie Short slang for a premature baby. A preterm infant. Also spelled premie.
- Foramen A natural opening. Although a foramen is usually through bone, it can be an opening through other types of…
- Hole, macular A hole in the macula, the tiny oval area made up of millions of nerve cells located at the center of the…
- Disaster supplies kit Items stored in case of emergency, such as a prolonged power outage, earthquake, or flood. You and your…
- Acute respiratory disease A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Rib, fluctuating One of the last two ribs. A rib is said to be 'fluctuating' if it does not attach to the sternum (the breast…
- Dysplastic nevus An atypical mole whose appearance is different from that of a common ordinary mole. Dysplastic nevi tend to…