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).
Shigella
Epidemic and opportunistic bacillary dysentery due to infection with the Shigella bacteria. Shigellosis causes intestinal pain and diarrhea with mucus and blood in the stool. It is especially common in tropical countries, but frequently…
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Show more- Ultrasound Ultrasound: High-frequency sound waves. Ultrasound waves can be bounced off of tissues using special devices…
- Ameba Also amoeba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the…
- WHI The Women's Health Initiative, a long-term health study sponsored by the National Institutes of Health (NIH)…
- Breast cancer, male Breast cancer in a man. Male breast cancer is much less common than breast cancer in women. Fewer than 1% of…
- Inkblot test A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what…
- Vitamin B5 Vitamin B5 is pantothenic acid, one of the less well known B vitamins, perhaps because it is widely…
- Hyperostosis Overgrowth of bone. Hyperostosis is a nonspecific term that does not refer to any particular condition
- Doctors Without Borders A group which sends physicians and other health workers to some of the most destitute and dangerous parts of…
- Anisocytosis Excessive inequality in the size of the red blood cells. Anisocytosis ('aniso') is apparent on a blood smear…
- Lightning injuries A sensation of flashing lights is created when the vitreous (the clear, jelly-like substance that fills the…
- Histoplasma capsulatum See: Histoplasma
- Menopause, natural Menopause, natural: Natural menopause occurs when the ovaries naturally decrease their production of the sex…