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).
Breast aplasia
Breast aplasia: A rare condition wherein the normal growth of the breast or nipple never takes place. They are congenitally absent. There is no sign whatsoever of the breast tissue, areola or nipple. There is nothing there. Breast aplasia…
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Show more- Asthma susceptibility gene One of the genes that predisposes a person to asthma. A new gene family that plays a major role in asthma…
- Test, glucose tolerance A blood test done to make the diagnosis of diabetes mellitus. The test may also be done for other purposes…
- Epsom salt Magnesium sulfate. Known as Epsom salt because it was originally extracted from the mineral-rich water of…
- Erb palsy A form of brachial plexus palsy in which there is paralysis of the muscles of the upper arm and shoulder…
- Pleural effusion Excess fluid between the two membranes that envelop the lungs. These membranes are called the visceral and…
- Let down reflex An involuntary reflex during breastfeeding which causes the milk to flow freely
- Ulcer An area of tissue erosion, for example, of the skin or lining of the gastrointestinal (GI) tract. Due to the…
- Ames test A test developed in 1974 by Bruce N. Ames for identifying possible carcinogens by studying their mutagenic…
- Postmortem examination An autopsy. Also called a necropsy. Postmortem examinations have been done for more than 2,000 years but…
- Venin Snake venom (poison).
- Electromyogram Electromyogram: A test used to record the electrical activity of muscles. When muscles are active, they…
- Facultative 1. In general, not obligatory but rather capable of adapting to different conditions. The opposite of…