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).
Twenty-twenty
Perfectly normal vision. From the ability to score 20/20 on the test of visual acuity with the eye chart. This familiar chart, called Snellen's chart after its inventor, is usually read while standing a distance of 20 feet from it. Visual…
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Show more- Surgery, retrograde intrarenal (RIRS) Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube…
- Elidel Brand name of pimecrolimus
- Test, allergy scratch Allergy scratch: Test done on the skin to identify the allergy substance (the allergen) that is the trigger…
- Hepatitis F It was formerly believed that a virus isolated from rare blood samples was able to cause hepatitis, and this…
- Vessel A tube in the body that carries fluids: blood vessels or lymph vessels
- Syndrome, Patau Trisomy 13 syndrome or three chromosome number 13s instead of the normal two. Children with this condition…
- Breast cancer, male Breast cancer in a man. Male breast cancer is much less common than breast cancer in women. Fewer than 1% of…
- Disease, Plummer's Toxic multinodular goiter, a condition in which the thyroid gland contains multiple lumps (nodules) that are…
- Seizure, complex partial A form of partial seizure during which the person loses awareness. The patient does not actually become…
- Knee jerk The reflex tested by tapping just below the knee causing the lower leg to suddenly jerk forward. What is…
- Glycopeptide A short chain of amino acids that has sugar molecules attached to it. A glycoprotein is similar in structure…
- Tocolytic agent A medication that can inhibit labor, slow down or halt the contractions of the uterus. Tocolytic agents are…