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).
Selenium deficiency
See Deficiency, selenium
Read the definitionRandom terms
Show more- Atrophic vaginitis Thinning of the lining (the endothelium) of the vagina due to decreased production of estrogen. This may…
- Electrocardiogram Electrocardiogram: A recording of the electrical activity of the heart. An electrocardiogram is a simple…
- Biopsy, endometrial See: Endometrial biopsy
- Vasoconstriction Narrowing of the blood vessels resulting from contracting of the muscular wall of the vessels. The opposite…
- Medical physics The science of human health and radiation exposure. Medical physics, also called health physics, is devoted…
- Syndrome, Raeder's A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- Morphia Another name for morphine. Both morphia and morphine come from the name of Morpheus, the ancient god of sleep…
- Cabbage Soup Diet The Cabbage Soup Diet is a weight loss program designed to be used for seven days with the goal of a rapid…
- Institutional Review Board IRB. A group of scientists, doctors, clergy, and consumers at each health care facility that participates in…
- Periostitis Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps…
- Chemo Slang for chemotherapy -- drug therapy for cancer. Most anticancer drugs are given IV (into a vein) or IM…
- Mesenteric vein One of the large veins which return blood from the intestines. The inferior (lower) mesenteric vein empties…