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).
Hyponatremia
An abnormally low concentration of sodium in the blood. Too little sodium can cause cells to malfunction, and extremely low sodium can be fatal. Hyponatremia has many causes including medications such as diuretics and antidepressants…
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Show more- Test, Fisher's exact A statistical test of independence much used in medical research. It tests the independence of rows and…
- Small eye Also called microphthalmia, an abnormally small eye, a congenital malformation (birth defect) of the globe…
- Disease, Binswanger A form of dementia with blood vessel abnormalities in the deep white-matter of the brain causing loss of…
- Strep, group A A well-known strain (a type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Johnnies Plural of johnny
- Casein The main protein found in milk and other dairy products
- Mouse, deer See: Deer mouse
- Asymptomatic Without symptoms. For example, an asymptomatic infection is an infection with no symptoms
- Down syndrome Down syndrome: A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome…
- Autoimmune polyendocrinopathy syndrome A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Atrioventricular node The atrioventricular (AV) node is an electrical relay station between the atria (the upper) and the…
- Biopsy, breast See: Breast biopsy