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).
Photosensitivity
In medicine, increased sensitivity of the skin to light and other sources of UV.Photosensitivity commonly causes reddening and blistering of the skin with exposure to sunlight and, in time, it heightens the risk of skin cancer. A number of…
Read the definitionRandom terms
Show more- Munchhausen syndrome (This is an alternate entry to Munchhausen syndrome. Münchhausen has an umlaut over the u but it is sometimes…
- Algophobia An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…
- Large bowel Another name for the large intestine. The word 'bowel' originated from the Latin 'botulus' meaning 'sausage.'
- Chlortetracycline The first drug of the tetracycline family, to be introduced (in 1948). For more information, see: Tetracycline
- Women's hospital A hospital for the exclusive use of women. The first hospital called by that name was the Woman's Hospital of…
- Diverticula The plural of diverticulum. As a person ages, pressure within the large intestine (colon) causes pockets of…
- Anal papillae The plural of anal papilla. See: Anal papilla
- Mucopolysaccharidosis type II Hunter syndrome, due to deficiency of the enzyme iduronate sulfatase. See also: Mucopolysaccharidosis
- Tropical diabetes Diabetes mellitus associated with chronic malnutrition and, sometimes, chronic pancreatitis. Whether tropical…
- Pacemaker, artificial A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- Contractions, Braxton Hicks Irregular contractions of the womb (the uterus) occurring towards the middle of pregnancy in the first…
- Microcephalin See: Microcephalin 1