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).
His disease
This is a parasite (louse-borne) disease that was first recognized in the trenches of World War I and so was called trench fever. It is estimated to have affected more than a million people in Russia and on the war fronts in Europe. Trench…
Read the definitionRandom terms
Show more- Longitudinal study A study done over the passage of time. For example, a longitudinal study of children with Down syndrome…
- Megabase Unit of length for DNA fragments that is equal to 1 million nucleotides. A megabase (Mb) is roughly equal to…
- Graft-versus-host disease A complication of bone marrow transplants in which T cells in the donor bone marrow graft go on the offensive…
- Atom The smallest part of any material that cannot be broken up by chemical means. Each atom has a center (the…
- Virulence The ability of any agent of infection to produce disease. The virulence of a microorganism (such as a…
- Skin graft, allogeneic A skin graft transplanted between people who are not genetically identical. Also called an allograft. An…
- Fiber Fiber: The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or…
- Buschke disease See: Scleredema
- Sleep disorders Sleep disorders: Any disorder that affects, disrupts, or involves sleep. The most common sleep disorder is…
- Immunization, German measles Measles: See Immunization, MMR
- Abdominal aorta The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Valve, tricuspid One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…