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).
Acne
Our Acne Main Article provides a comprehensive look at the who, what, when and how of Acne Acne: Localized skin inflammation as a result of overactivity of the oil glands at the base of hair follicles. Acne happens when oil (sebaceous)…
Read the definitionRandom terms
Show more- Zinc ointment A topical preparation containing zinc that is applied to protect the skin from irritation or sunburn. Zinc…
- Polio vaccine, inactivated See: Polio vaccine, inactivated.
- Ventricle, right The ventricles are the two lower chambers of the heart. The right ventricle is the chamber that receives…
- Transaminase, serum glutamic pyruvic (SGPT) An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- Taenia saginata The beef tapeworm. The most common of the big tapeworms that parasitizes people, contracted from infected raw…
- Valine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, valine is required…
- Heart septum The septum of the heart is the dividing wall between the right and left sides of the heart. That portion of…
- Protein kinase A regulatory subunit 1-alpha See: PRKAR1A
- Hepatocellular carcinoma A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver…
- Palliative treatment To palliate a disease is to treat it partially and insofar as possible, but not cure it completely…
- Teleology The study of the ultimate purpose of the design of something in nature. For example, 'what is the true…
- Dengue Also known as Dengue fever, an acute mosquito-borne viral illness of sudden onset that usually follows a…