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…
Read the definitionRandom terms
Show more- Vomiting in pregnancy, excess Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Dermis The lower or inner layer of the two main layers of cells that make up the skin.The dermis contains blood…
- Urogastrone See: EGF
- Perception, auditory The ability to identify, interpret, and attach meaning to sound
- Midgut volvulus See: Volvulus
- Ring, intrastromal corneal A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…
- Aneurysm, renal An aneurysm involving the kidney. An aneurysm is a localized widening (dilatation) of an artery, vein, or the…
- Islets of Langerhans Known as the insulin-producing tissue, the islets of Langerhans do more than that. They are groups of…
- Adenosine deaminase (ADA) deficiency A genetic (inherited) condition that results in a immune deficiency disorder called severe combined…
- Mucopolysaccharidosis type VII Sly syndrome, due to deficiency of the enzyme beta-glucuronidase. See also Mucopolysaccharidosis
- Polydactyly (hexadactyly) The presence of an extra, sixth finger or toe, a very common congenital malformation (birth defect). This is…
- Synaesthesia See: Synesthesia