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).
Amsler grid
While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid. This grid is a pattern that resembles a checkerboard. The patient covers one eye and stares at a black dot in the center of the…
Read the definitionRandom terms
Show more- Alopecia capitis totalis Loss of all of the scalp hair. Alopecia means baldness and capitis refers to the head. Alopecia capitis…
- Jogger's nails Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…
- Median The middle. Like the median strip in a highway.
- Vitamin B -- niacin Deficiency of niacin, one of the B-complex vitamins, causes pellagra. See: Pellagra
- Fat, saturated A fat that is solid at room temperature and comes chiefly from animal food products. Some examples are…
- Chinese restaurant syndrome A syndrome first described in 1968 in people who had eaten Chinese food on which MSG (monosodium glutamate)…
- Retrograde intrarenal surgery (RIRS) Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube…
- Cancer, breast, familial A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- SMAD4 See: MADH4
- Naprosyn See: Naproxen
- Cyclooxygenase Abbreviated cox. See: Cox-1; Cox-2
- Cholangitis, primary sclerosing See: Primary sclerosing cholangitis