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).
Colon cancer, family history of
The presence of a history of colorectal cancer in a family. The colon cancer risk is higher if an immediate (first-degree) family member (parents, siblings or children) had colorectal cancer and even higher if more than one such relative…
Read the definitionRandom terms
Show more- Acupuncturist A person skilled in the practice of acupuncture, who may or may not be credentialed by a national accrediting…
- Niemann-Pick disease A biochemical disorder affecting a lipid (fat) called sphingomyelin, resulting usually in progressive…
- Syndrome, Apert (acrocephalosyndactyly) An inherited disorder with abnormalities of the skull and face and the hands and feet. There is premature…
- Bacteriophage See: Phage
- Mohs surgery Mohs surgery: A special type of surgery used for the treatment of skin cancer, especially basal cell or…
- Anterior cruciate ligament A ligament in the knee that crosses from the underside of the femur (the thigh bone) to the top of the tibia…
- Diseases, Infectious, Nat'l Inst of Allergy & Allergy and (NIAID): This is one of the National Institutes of Health in the U.S. In formal terms, the…
- Lues 1. Relating to syphilis, caused by it, or suffering from it. 2. A person with syphilis. From lues, an old…
- Lymphoma, high-grade High-grade lymphoma
- Viscera The internal organs of the body, specifically those within the chest (as the heart or lungs) or abdomen (as…
- Angle-closure glaucoma This condition can be acute or chronic. It consists of increased pressure in the front chamber (anterior…
- Cardiac myocyte A heart muscle cell. Sometimes called a myocyte when it is understood that it is in the heart. See also…