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).
Rule out
A term much used in medicine, meaning to eliminate or exclude something from consideration. The ACB (albumin cobalt binding) test helps rule out a heart attack in the differential diagnosis of severe chest pain
Read the definitionRandom terms
Show more- Notifiable disease See: Reportable disease
- Test, Venereal Disease Research Laboratory A blood test for syphilis. Venereal Disease Research Laboratory is commonly abbreviated VDRL. A negative…
- Syndrome, cyclic vomiting Better known today as Ehlers-Danlos syndrome (EDS), is an inherited disorder with easy bruising, joint…
- Gullet The esophagus. The words esophagus and gullet differ in origin. Esophagus comes from the Greek whereas gullet…
- Binge eating disorder Binge eating disorder: An eating disorder characterized by periods of extreme over-eating, but not followed…
- Cystadenoma A cystadenoma is a type of benign tumor that develops from ovarian tissue. They may be filled with a…
- Ear drum See: Eardrum
- African trypanosomiasis See: African sleeping sickness
- Endometrial biopsy Endometrial biopsy: A procedure for sampling the lining of the uterus (the endometrium). Endometrial biopsy…
- Onychomycosis, proximal white subungual The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Eye pressure test A standard eye test that determines the fluid pressure inside the eye. The test is called tonometry…
- Anemia and triphalangeal thumbs See: Aase-Smith syndrome II