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).
Hiatus hernia
Tal hernia): An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into the chest. NTER> Normally, the esophagus passes down through the chest, crosses the diaphragm, enters the abdomen through a hole in…
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Show more- Steele-Richardson-Olszewksi syndrome A hormonal problem that causes women to have various symptoms, including irregular or no menstruation, acne…
- Aicardi syndrome A genetic disorder characterized by the partial or complete agenesis of the corpus callosum (the structure…
- Acute kidney failure See: Acute renal failure
- Mydriasis Dilation of the pupils induced by eyedrops. The opposite of miosis.
- Syndrome, acquired immunodeficiency AIDS
- Lunula 1. The crescent-shaped area at the base of a fingernail or toenail. 2. Any small crescent- or moon-shaped…
- Monocyte chemotactic and activating factor See: MPC1
- Uric acid A breakdown product of purines that are part of many foods. In gout, there are frequently, but not always…
- Cain, mark of The mark that God set upon Cain, the eldest son of Adam. According to the Book of Genesis in the Bible, God…
- Indifferent gonad In embryonic life, the gonad in males and females is initially identical. This gonad is said to be…
- Blood cleaner A process designed to eliminate most pathogens -- viruses, bacteria and fungi -- from donated blood. The…
- Diploe The soft spongy material between the inside table and outside table (the interior and exterior bony plates)…