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).
Central venous line
A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous lines have a number of different…
Read the definitionRandom terms
Show more- Eyes, spots in front of the Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…
- Pee An informal term for piss, meant to lessen its vulgarity, but synonymous with it
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Parasitic Having to do with a parasite, as in a parasitic infection; or acting like a parasite by taking nourishment…
- Insecticidal Capable of killing insects or controlling their growth
- Mantoux test A skin test for tuberculosis, named for the French physician Charles Mantoux (1877-1947). See: Tuberculin
- Gallus gallus The Red Jungle Fowl, the ancestor of domestic chickens
- Tendonopathy Any disease or dysfunction of a tendon, The form of tendonopathy is named for the affected tendon, as in…
- Non-inferiority clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Neonatal jaundice Jaundice: Yellowish staining of the skin and whites of the newborn's eyes (sclerae) by pigment of bile…
- Aspiration, joint A procedure whereby a sterile needle and syringe are used to drain joint fluid from the joint. This is…
- Medifast diet The Medifast diet is a low-fat, low-calorie weight loss plan based upon the consumption of specific foods and…