MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Nerve, sciatic
The largest nerve in the body, the sciatic nerve begins from nerve roots in the lumbar part of the spinal cord (in the low back) and extends through the buttock area to send nerve endings down to the legs. Pain resulting from irritation of…
Read the definitionRandom terms
Show more- Diabetic macular edema Edema: Swelling of the retina in diabetes mellitus due to leaking of fluid from blood vessels within the…
- Epilepsy, temporal lobe See: Epilepsy, temporal-lobe
- Diverticulum, Meckel's An outpouching of the small bowel. About 1 in every 50 people has a Meckel's diverticulum. It is usually…
- Leaded petrol See: Tetraethyl lead
- Cold, common A viral upper respiratory tract infection. This contagious illness can be caused by many different types of…
- Cancer, bone A malignancy in bone. Primary bone cancer, one that begins in bone, is uncommon but it is not unusual for a…
- Placental growth factor A type of vascular endothelial growth factor. Placental growth factor is expressed not only in placental…
- Snellen's chart The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Diabetes, non-insulin-dependent Type 2 diabetes. See also Diabetes, type 2.
- Hyperemesis gravidarum Excessive vomiting in early pregnancy. Hyperemesis gravidarum, by definition, leads to the loss of 5% or more…
- Distance healing Healing in which people seek to help patients simply with the power of the mind. Distance healing can include…
- Evening primrose oil A natural source of essential fatty acids (EFOs). Evening primrose oil contains a higher level of arachnoidic…