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).
Gastrointestinal stromal tumor
GIST. A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant. Malignant GISTs can occur from the esophagus to the rectum, but occur most commonly in the stomach and small…
Read the definitionRandom terms
Show more- Hormone, triiodothyronine A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure…
- Headache, chronic daily See: Chronic daily headache
- Appendix A small outpouching from the beginning of the large intestine (the ascending colon). Formally called the…
- Dysmorphophobia Excessive dislike of a part of ones body. See: Body dysmorphic disorder
- Hurler syndrome An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- Ultraviolet radiation Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Dog genome All of the genetic information from the dog. The genetic first draft of the dog genome sequence was completed…
- Vulvar cancer See: Cancer of the vulva
- Sentinel node biopsy See: Sentinel lymph node biopsy
- Asp Aspartic acid. See also: Amino acid symbols
- GFP Green fluorescent protein
- Orthologous gene 1. A term coined by the chemist Linus Pauling who defined it as "the preservation of good health and the…