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).
Gleason score
A grading system for prostate carcinoma devised by Dr. Donald Gleason in 1977 as a method for predicting the behavior of prostate cancer. Tumors with a low Gleason score are less likely to show aggressive behavior and therefore are less…
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Show more- Mendelian inheritance The manner in which genes and traits are passed from parents to their children. The four modes of Mendelian…
- L- Abbreviation for levorotatory, applied to a chemical compound, as in l-dopa. Levorotary is opposed to…
- Fibrin The protein formed during normal blood clotting that is the essence of the clot.
- Superfluous Beyond what is sufficient. A sixth finger is superfluous
- Leishmania infection A parasitic disease, also called leishmaniasis, spread by the bite of sand flies infected with a protozoa…
- Hedonophobia An abnormal, excessive, and persistent fear of pleasure. Sufferers with this most puritanical of phobias…
- Discharge, nipple See: Breast discharge
- Intraocular pressure The pressure created by the continual renewal of fluids within the eye. The intraocular pressure is increased…
- Programmed cell death A term often used interchangeably with apoptosis. See: Apoptosis
- Sweats, night Severe hot flashes which occur at night and result in a drenching sweat. Night sweats have many possible…
- Implant, brainstem See: Brainstem implant
- Acute bacterial prostatitis Prostatitis: Inflammation of the prostate gland of sudden (acute) onset due to bacterial infection. The…