MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Vanishing twin
A twin detected in early pregnancy that is miscarried, frequently by resorption, without clinical signs or symptoms. The surviving twin continues to grow and develop. Of all twin pregnancies, 40% involve a vanishing twin and result in the…
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Show more- Bacteremia The presence of live bacteria in the bloodstream. Bacteremia is analogous to viremia (the presence of a virus…
- Femicide The killing of women. For example, AIDS in Africa has been termed 'mass femicide.' Femicide is in contrast to…
- Height growth See: Normal growth
- Agenesis Lack of development of something. For example, agenesis of a toe means that toe failed to form.
- Binocularity The ability to focus upon an object with both eyes and create a single stereoscopic image. Binocularity…
- Glass eye 1. A globe of glass that looks like and is intended to replace the eyeball.2. By extension, a real eye that…
- Mesothelioma Mesothelioma: A malignant tumor of the mesothelium. The mesothelium is the thin lining on the surface of the…
- Paraparesis Weakness of the lower extremities
- Bovine Having to do with cows and cattle, as in bovine spongiform encephalopathy (mad cow disease), bovine…
- Pressor Causing a rise in blood pressure. A pressor base is a substance (chemically classified as a base) capable of…
- Vestibular 1) Having to do with a structure that is a vestibule (entrance), such as the vestibule of the ear. 2) Having…
- G protein These molecules have been described as 'biological traffic lights.' Located inside the cell, G proteins are…