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).
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- Embolization A treatment that clogs small blood vessels and blocks the flow of blood, such as to a tumor.
- Multiparous 1) Having two or more offspring at one birth. 2) Related to a multipara. See also uniparous.
- Internal pacemaker Pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm…
- Histiocytosis, Langerhans cell Histiocytosis in which the active histiocytes normally occur in the skin. See histiocytosis.
- Bones of the skeleton The human body has 206 bones. These consist of 80 axial (head and trunk) bones and 126 appendicular (upper…
- Z chromosome A sex chromosome in certain animals, such as chickens, turkeys, and moths. In humans, males are XY and…
- Diabetic retinopathy A common complication of diabetes affecting the blood vessels in the retina (the thin light-sensitive…
- Marx, Gertie F. Distinguished German-born American physician known as the 'mother of obstetric anesthesia.' She almost…
- Infantile hypothyroidism Hypothyroidism (subnormal activity of the thyroid gland) that starts after birth and is manifest by features…
- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Test, allergy scratch Allergy scratch: Test done on the skin to identify the allergy substance (the allergen) that is the trigger…
- Tinnitus Tinnitus: 'Ringing in the ears' or another noise that seems to originate in the ears or head. Tinnitus is due…