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).
Ocular histoplasmosis syndrome
An eye disease that is a leading cause of vision loss, due to the spread of spores of the fungus Histoplasma capsulatum (histo) from the lungs to the eye where they lodge in the choroid (a layer of blood vessels that provides blood and…
Read the definitionRandom terms
Show more- Human parainfluenza virus One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common…
- Opportunistic infection An infection that occurs because of a weakened immune system. Opportunistic infections are a particular…
- DOC 1. Acronym for 'daily on call.'2. Deoxycorticosterone
- Organisation Mondiale de la Sante The French name for the World Health Organization (WHO). See: World Health Organization
- Resection Surgical removal of part of an organ
- Papilla, anal See: Anal papilla
- DNA virus A virus in which the genetic material is DNA rather than RNA. The DNA may be either double- or…
- Cataplexy A debilitating medical condition in which a person suddenly feels weak and collapses at moments of strong…
- Homologies Similarities in DNA or protein sequences between individuals or between species
- Phago- Fix): Eating, devouring. From the Greek 'phago' meaning 'to eat.' Examples of words starting with phago-…
- Intercostal muscle Muscle tissue between two ribs. This muscle is a type called skeletal muscle
- Coronary artery disease >Chest pain (angina pectoris) from inadequate blood flow to the heart; >Heart attack (acute myocardial…