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).
Efferent vessel
A vessel carrying blood away from the heart. An artery or arteriole
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Show more- Amniotic fluid The fluid bathing the fetus and serving as a shock absorber.
- Keratoconus Keratoconus: Cone-shaped cornea with the apex of the cone being forward. Also called conical cornea.
- SIDDT Sudden infant death with dysgenesis of testes. SIDDT was first identified in an Old Order Amish community in…
- Human Genome Research Institute, National RI): One of the newest of the National Institutes of Health (NIH), NHGRI's mission in formal terms is to…
- Blue cohosh (Caulophyllum thalictroides). A tall North American perennial plant with large blue berries. Blue cohosh is…
- Soy milk allergy Allergy: Soy protein formulas contain no cow milk and are therefore reasonable alternatives for infants with…
- Internal pacemaker Pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm…
- Cholesterol lowering with fibrate The fibrates are cholesterol-lowering drugs that are primarily effective in lowering triglycerides and, to a…
- Human genome All of the DNA that a person possesses. The human genome is made up of all of the DNA in our chromosomes as…
- Atrial septum The wall between the two upper chambers (the right and left atrium) of the heart
- Fiber and bowel disorders High fiber diets help delay the progression of diverticulosis and, at least, reduce the bouts of…
- Ringworm (tinea) Ringworm (tinea): Ringworm is a fungal infection of the skin previously thought to be due to a parasite…