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).
Heart failure
Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump blood with normal efficiency. When this occurs, the heart is unable to provide adequate blood flow to other organs such…
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Show more- Leukemia, t(8;21) Leukemia with a translocation (an exchange of material) between chromosomes 8 and 21. Seen characteristically…
- Melanoma, superficial spreading One of the four clinical types of malignant melanoma, the most common type in whites, typically presents as a…
- Node, sinoatrial The sinoatrial is one of the major elements in the cardiac conduction system, the system that controls the…
- Diffuse idiopathic skeletal hyperostosis Diffuse idiopathic skeletal hyperostosis: Abbreviated as DISH. Diffuse idiopathic skeletal hyperostosis is a…
- DPT Diphtheria-Pertussis-Tetanus vaccine. Today the more frequent abbreviation is DTP (for…
- Septic bursitis A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues…
- Juxtapyloric The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtapyloric thus means…
- Dirofilaria immitis The dog heartworm
- Ligand A molecule that binds to another. Often, a soluble molecule such as a hormone or neurotransmitter that binds…
- Cathartic A laxative
- Zinc deficiency Lack of zinc in the body. According to the National Academy of Sciences, the Recommended Dietary Allowances…
- Sand, biliary Biliary sand is a term mostly used by surgeons when they remove the gallbladder to describe uncountable…