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).
Mitral valve prolapse
Mitral valve prolapse: Drooping down or abnormal bulging of the mitral valve's cusps backward into the atrium during the contraction of the heart. Mitral valve prolapse is often an asymptomatic condition but it may be marked by mitral…
Read the definitionRandom terms
Show more- Keratosis A localized horny overgrowth of the upper layer of skin such as a callus or wart. Among the common forms of…
- Intradiskal electrothermal therapy A procedure designed to relieve back pain due to damage to the disks between the spine bones. Called IDET for…
- Cotinine The major metabolite (breakdown product) of nicotine. Exposure to nicotine can be measured by analyzing the…
- Perinatology A subspecialty of obstetrics concerned with the care of the mother and fetus at higher-than-normal risk for…
- CC chemokine receptor 5 See: CCR5
- Coronavirus An agent that inhibits the action of the enzyme cox-1 (cyclooxygenase-1). The common anti-inflammatory drugs…
- Alpha-ET Street name for alpha-ethyltryptamine
- Pseudomonas infection Infection usually with Pseudomonas aeruginosa, the versatile 'blue-green pus bacteria' that opportunistically…
- Echocardiography, stress Stress: A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound…
- Corneal dystrophy, Fuchs endothelial A common adult-onset form of corneal dystrophy with autosomal dominant inheritance. The disorder is caused by…
- Cell, antigen-presenting A cell that can 'present' antigen in a form that T cells can recognize it. The cells that can 'present'…
- Olivary Pertaining to the olive, a structure in the brain