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).
Macrophage
A type of white blood that ingests (takes in) foreign material. Macrophages are key players in the immune response to foreign invaders such as infectious microorganisms. Blood monocytes migrate into the tissues of the body and there…
Read the definitionRandom terms
Show more- Orthopedics The branch of surgery broadly concerned with the skeletal system (bones). Orthopedics is how this field of…
- Procedure, Whipple See: Whipple procedure
- Cystatin C A serum protein that is filtered out of the blood by the kidneys and that serves as a measure of kidney…
- Phagocyte A cell that can engulf particles such as bacteria, other microorganisms, aged red blood cells, foreign…
- Epidermolysis bullosa One in a group of blistering skin conditions. The skin is so fragile in people with epidermolysis bullosa…
- Ductus A duct or walled passageway suitable for the conveyance of air or, more often in the body, liquids. The term…
- Ammonia A colorless gas with a very sharp odor. Made both by humans and by nature, ammonia dissolves easily in water…
- Ventricular septum The wall between the two lower chambers (the right and left ventricles) of the heart
- Lymphoma, Burkitt See: Burkitt lymphoma
- Disease, Cushing The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing disease (or…
- Tumor, ear Benign (noncancerous) bumps on the pinna of the ear (the external ear) or within the external ear canal. Most…
- Koch's postulates In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…