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).
Rumination
1. Regurgitating food after a meal and then swallowing and digesting some of it. Cattle and other ruminant animals have a four-chambered stomach for the rumination of food and so can chew their cud. Some people, particularly infants…
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Show more- Percutaneous umbilical blood sampling (PUBS) In PUBS, a needle is inserted through the mother's abdominal wall and the uterine wall. Blood can be…
- Amaurotic familial idiocy An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance…
- Anorexia nervosa Anorexia nervosa: See Anorexia.
- Mifepristone The French abortion pill, also known as RU-486. RU-486 has been used in combination with another drug called…
- B variant GM2-gangliosidosis See: Tay-Sachs disease
- Peter Mansfield See: Mansfield, Peter
- Helix, alpha See: Alpha helix
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- Inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and delivers it to the right…
- Thyrocalcitonin A hormone, also called calcitonin, produced by the thyroid gland that lowers the levels of calcium and…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Granuloma, fish bowl Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called…