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).
Pathophysiology
Deranged function in an individual or an organ that is due to a disease. A pathophysiologic alteration is a change in function as distinguished from a structural defect.
Read the definitionRandom terms
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- Exercise, isotonic Exercise when a contracting muscle shortens against a constant load, as when lifting a weight. Isometric…
- Prusiner, Stanley B. American neurologist (1942-) and winner of the Nobel Prize for the discovery of 'prions - a new biological…
- Fiber Fiber: The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or…
- Psychology, social The study of the mind and mental processes, particularly as regards social interactions, focusing on the ways…
- Tyrosinemia A genetic disorder involving the metabolism of the amino acid tyrosine characterized by abnormally high…
- Trench fever Fever: A disease borne by body lice that was first recognized in the trenches of World War I, when it is…
- Family physician A physician who is educated and trained in family practice. 'Family physicians possess unique attitudes…
- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…
- Heel bone Formally called the calcaneus. A more or less rectangular bone at the back of the foot. The words 'calcaneus'…
- Calcitriol The active form of vitamin D. Calcitriol is formed in the kidneys or made in the laboratory. It is used as a…