MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Aicardi syndrome
A genetic disorder characterized by the partial or complete agenesis of the corpus callosum (the structure that links the 2 hemispheres of the brain), infantile spasms (a characteristic form of childhood seizures), mental retardation, and…
Read the definitionRandom terms
Show more- DNA repair The body has a series of special enzymes to repair mutations (changes) in the DNA and restore the DNA to its…
- Tension, arterial The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure…
- ANXA1 Annexin A1
- Epilation Removal of body hair, including the hair root, by means of electrical device, tweezer, or wax. Epilation may…
- Fear of water An abnormal and persistent fear of water. Sufferers of aquaphobia experience anxiety even though they realize…
- Syndrome, scalded skin See Scalded skin syndrome
- Muscle, central core disease of One of the muscles that relax the zonules to enable the lens to change shape for focusing. The zonules are…
- Virulent Extremely noxious, damaging, deleterious, disease-causing (pathogenic). Marked by a rapid, severe, and…
- Immunity, active Immunity, active: The production of antibodies against a specific agent by the immune system. Active immunity…
- DOB Abbreviation standing for the date of birth. As examples, 'DOB: 10/12/97' in the U.S. indicates the date of…
- Caution codes, drug Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Sporadic >An endemic is present in a community at all times but in low frequency. An endemic is continuous, as in the…