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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Aneuploidy
One or a few chromosomes above or below the normal chromosome number. For example, three number 21 chromosomes or trisomy 21 (characteristic of Down syndrome) is a form of aneuploidy.
Read the definitionRandom terms
Show more- Runt-related transcription factor 1 See: Runx-1
- Syndrome, hypoplastic left heart A form of congenital heart disease in which the whole left half of the heart (including the aorta , aortic…
- Avian flu See: Avian influenza
- Chromosome, metaphase See: Y chromosome
- Lymphangitis The red streaking and gland (lymph node) swelling in the area of an injury especially on the extremities. It…
- Inferolateral Below and to one side. Both inferior and lateral. In anatomy, there are many such compound terms. For a more…
- Allergy, soy milk Allergy, soy milk: Soy protein formulas contain no cow milk and are therefore reasonable alternatives for…
- Darwin, Charles English naturalist (1809-82), considered the father of evolution. Darwin voyaged aboard the Beagle to see the…
- Hypoglycemia Hypoglycemia: Low blood sugar (glucose). When symptoms of hypoglycemia occur together with a documented blood…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Rasmussen syndrome A brain disorder caused by inflammation of brain cells in one hemisphere. Its cause is unknown. Rasmussen…
- Womb cancer See: Uterine cancer