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).
Antimicrobial agent
A general term for drugs, chemicals, or other substances that either kill or slow the growth of microbes. Among the antimicrobial agents are antibacterial drugs, antiviral agents, antifungal agents, and antiparisitic drugs
Read the definitionRandom terms
Show more- Anti-reflux surgery (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Syndrome, sicca An autoimmune diseases, also known as Sjogren syndrome, that classically combines dry eyes, dry mouth, and…
- Ectodermal Pertaining to the ectoderm or to tissues derived from the ectoderm, one of the three primary germ cell layers…
- Hernia, hiatus Protrusion of the stomach up into the opening normally occupied by the esophagus in the diaphragm, the great…
- Midbrain aqueduct A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Syndrome, chromosome 4p- The 4p- syndrome or Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the short…
- Stress test, pharmacologic There are a diversity of pharmacologic stress tests. Here this refers specifically to a pharmacologic cardiac…
- Fatigue A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually…
- Pulse, collapsing See: Pulse, water hammer
- MND Motor neuron disease
- Voluntary Done in accordance with the conscious will of the individual. The opposite of involuntary. The terms…
- Balanitis Inflammation of the rounded head (the glans) of the penis. Inflammation of the foreskin is called posthitis…