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).
Aicardi syndrome
A genetic disorder characterized by the partial or complete agenesis of the corpus callosum (the structure that links the 2 hemispheres of the brain), infantile spasms (a characteristic form of childhood seizures), mental retardation, and…
Read the definitionRandom terms
Show more- Alpha Omega Alpha The medical honor society, the medical school equivalent of Phi Beta Kappa, in the United States and Canada…
- Frozen shoulder Frozen shoulder: Constant severe limitation of the range of motion of the shoulder due to scarring around the…
- Dilating The widening and opening of the cervix caused by uterine contractions
- Concussion of the brain A traumatic injury to the brain as a result of a violent blow, shaking, or spinning. A brain concussion can…
- Posture, neutral See: Neutral posture
- Dermopathy, diabetic See: Diabetic dermopathy
- Tetraphocomelia-thrombocytopenia syndrome See TAR syndrome
- Pulmonary hypertension Pulmonary hypertension: High blood pressure in the pulmonary artery that conveys blood from the right…
- Tag, preauricular A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Turbinate A bone shaped like a top. The turbinate is a bone in the nose; it is an extension of the ethmoid bone, is…
- Immunoglobulin D Abbreviated IgD. A class of immunoglobulins found as antibodies on the surface of B cells (B lymphocytes)…
- Capsaicin A component of certain plants, including cayenne and red pepper, used topically to relieve minor arthritis…