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).
Cardiac index
A cardiodynamic measure based on the cardiac output, which is the amount of blood the left ventricle ejects into the systemic circulation in one minute, measured in liters per minute (l/min). Cardiac output can be indexed to a patient's…
Read the definitionRandom terms
Show more- African tapeworm The beef tapeworm (Taenia saginata), the most common of the big tapeworms that parasitizes people, contracted…
- RBC Short for red blood cells, the cells that carry oxygen and carbon dioxide through the blood. This rather…
- D- Abbreviation for dextrorotatory, applied to a chemical compound. Dextrorotary is opposed to levorotary which…
- Microbe A very tiny form of life -- microbes include bacteria, fungi, and protozoan parasites -- best visualized…
- Antisepsis Prevention of infection by inhibiting or arresting the growth and multiplication of germs (infectious…
- Spot, blind In ophthalmology, a blind spot is: > >A small area of the retina where the optic nerve enters the eye; this…
- Breast milk Milk from the breast. Human milk contains a balance of nutrients that closely matches infant requirements for…
- Microvascular disease Disease of the finer blood vessels in the body, including the capillaries. In contrast to macrovascular…
- CPR Cardiopulmonary resuscitation. Also cardiac and pulmonary rehabilitation and computer-based patient records
- Synapsis The side-by-side and point-by-point pairing of homologous chromosomes during meiosis
- Heebie-jeebies Extreme nervousness. A term coined by the America cartoonist Billy DeBeck (1890-1942) in his comic strip…
- Legg-Perthes disease See Legg-Calve-Perthes disease