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).
Office of Human Research Protections (OHRP)
The agency responsible for developing, monitoring and exercising compliance over the protections afforded human subjects in all research supported by the US Department of Health and Human Services (DHHS). Formerly called the Office for…
Read the definitionRandom terms
Show more- Disease, Kimmelstiel-Wilson Diabetic nephropathy (kidney disease). Kimmelstiel-Wilson disease is a kidney condition associated with…
- Metatarsals Five cylindrical bones extending from the heel (the tarsus) to the toes. The metatarsals are numbered from…
- Buschke's scleredema E: Scleredema
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…
- Pain, belly Pain in the abdomen. See: Abdominal pain
- Visual nerve pathways The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a…
- Leukemia, acute lymphoblastic See: Acute lymphoblastic leukemia.
- Test, treadmill A test (sometimes called the exercise treadmill test or exercise test) in which a continuous…
- La Leche League An international organization that helps and supports breastfeeding mothers with advice, ideas, and legal and…
- Virulence The ability of any agent of infection to produce disease. The virulence of a microorganism (such as a…
- Premature ventricular contraction PVC. A contraction of the lower chambers of the heart, the ventricles, which occur earlier than usual…
- Barr body A microscopic feature of female cells due to the presence of two X chromosomes in the female. One of these X…