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).
Hiatus hernia
Tal hernia): An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into the chest. NTER> Normally, the esophagus passes down through the chest, crosses the diaphragm, enters the abdomen through a hole in…
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Show more- Frailty syndrome A condition, seen particularly in older patients, characterized by low functional reserve, easy tiring…
- Mycobacterium tuberculosis The bacterium that causes tuberculosis. M. tuberculosis has unusually waxy walls, is slow-growing and among…
- Barr body A microscopic feature of female cells due to the presence of two X chromosomes in the female. One of these X…
- Ulna The larger of the two long bones within the forearm. (The smaller one is the radius). The ulna is on the same…
- Genetic infantile agranulocytosis Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- Animal-to-human transplant Transplant: See Xenotransplantation
- Tritium Hydrogen-3, an isotope of hydrogen. Tritium is a long-lived weak emitter of radiation and can be easily…
- Vaccinia 1. The cowpox virus which is used to vaccinate against smallpox. 2. A cutaneous or systemic reaction to…
- TIA See Transient ischemic attack
- Undulant fever An infectious disease due to the bacteria Brucella that characteristically causes rising and falling fevers…
- Electrophysiologic Pertaining to electrophysiology
- Mite, dust See: Dust mite