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).
Medical College Admissions Test (MCAT)
The MCAT is a test that is required of all applicants to medical school in the U.S. and Canada. The MCAT is 'a standardized test used to assess applicants' science knowledge, reasoning, and communication and writing skills.' The MCAT is…
Read the definitionRandom terms
Show more- Xenotransplantation Transplantation from one species to a foreign one. The rationale for xenotransplantation has included the…
- Pest (plague) An infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly infects rats and other…
- Mastocyte A mast cell
- Typhus, epidemic A severe acute disease with prolonged high fever up to 40° C (104° F), intractable headache, and a…
- NMR Nuclear Magnetic Resonance. An imaging technique that does not use radiation.
- Nodular Bumpy.
- Mastoid The rounded protrusion of bone just behind the ear once thought to look like the breast. The word comes from…
- Nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…
- Tenth cranial nerve The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- Coumadin, teratogenicity of The anticoagulant ('blood- thinner') Coumadin is a known teratogen, an agent that can disturb the development…
- Iatrogenic Due to the action of a physician or a therapy the doctor prescibed. An iatrogenic disease may be…
- Cardiac conduction system The electrical conduction system that controls the heart rate. This system generates electrical impulses and…