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).
Headache, rebound
Headaches experienced by those who have taken ergotamine or analgesic medications for migraines or other health conditions, and who have built up a tolerance for these medications. Often the headache occurs right after the medication wears…
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Show more- Sigmoid In human anatomy, the lower colon (the lower portion of the large bowel). 'Sigmoid' is short for 'sigmoid…
- PUBS (percutaneous umbilical blood sampling) In PUBS, a needle is inserted through the mother's abdominal wall and the uterine wall and usually blood is…
- Grand mal A form of epilepsy characterized by tonic-clonic seizures. involving two phases -- the tonic phase in which…
- Retinopathy, diabetic See: Diabetic retinopathy
- Petasites vulgaris See: Butterbur
- Cusp In reference to heart valves, one of the triangular segments of the valve which opens and closes with the…
- Biopsy, endometrial See: Endometrial biopsy
- OD (lens prescription) Abbreviation of 'oculus dexter.' Latin for 'right eye.' (The words 'dexterity' and 'dextrous' derive from…
- Empiric risk The chance that a disease will occur in a family based upon experience (past history, medical records, etc.)…
- Dormant tuberculosis See: Tuberculosis, dormant. See also: Tuberculous meningitis.
- Arteritis, Takayasu Also called giant cell arteritis or cranial arteritis, this is a serious disease characterized by…
- Olfactory bulb A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve…