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).
Water on the brain
Known medically as 'hydrocephalus', this is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the brain. The fluid is often under increased pressure and can compress and damage the brain. Hydrocephalus can arise before…
Read the definitionRandom terms
Show more- Giardia A genus of protozoa that infect the gastrointestinal tract of some animals, including humans. Giardia have a…
- Fever, Meuse Fever, Meuse: Named for the Meuse River area, one of the great battlegrounds of World War I. Also known as…
- Hypercapnia More than the normal level of carbon dioxide in the blood. Hypercapnia is as opposed to hypocapnia and…
- Supplies kit, disaster You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by…
- Osteopathy A system of therapy founded in the 19th century based on the concept that the body can formulate its own…
- Familial breast cancer A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- Regulatory region A region of a chromosome that controls gene expression. In terms of DNA, it is a regulatory sequence
- C. elegans genome All of the genetic information contained in the roundworm Caenorhabditis elegans (C. elegans). The genomes of…
- Fat 1 Along with proteins and carbohydrates, one of the three nutrients used as energy sources by the body. The…
- Irritable bowel syndrome (IBS) Irritable bowel syndrome (IBS): A common gastrointestinal disorder involving an abnormal condition of gut…
- Prognosis 1. The expected course of a disease.2. The patient's chance of recovery. The prognosis predicts the outcome…
- Progressive vaccinia A severe complication of smallpox vaccination that occurs because of an immune defect in the vaccinated…