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).
Aqueduct of the midbrain
A canal that communicates between the third and fourth ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral…
Read the definitionRandom terms
Show more- Peritonitis, chronic Longstanding inflammation of the peritoneum, the membrane lining the inner wall of the abdomen and pelvis…
- Iatric Relating to medicine or a physician. Iatric systems are medical systems. From the Greek iatrikos (medical)…
- Vein of Galen aneurysm A congenital malformation of blood vessels of the brain. Specifically, an arteriovenous (AV) malformation in…
- Allergy, honey bee See: Honey bee allergy
- T-suppressor count A test that counts the number of T-suppressor (T-8) cells in the bloodstream. It appears that some T-8 cells…
- Central fovea See: Fovea.
- Myocardial bridge Literally a bridging of heart muscle over one of the major arteries to the heart (usually the left anterior…
- Kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Anaphia The inability to feel touch. From the Greek prefix an, not + Greek haphe, touch = inability to (feel) touch…
- Genome All of the genetic information, the entire genetic complement, all of the hereditary material possessed by an…
- Klumpke paralysis See: Klumpke palsy
- Klippel-Feil anomaly See: Klippel-Feil sequence