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).
Helmet, bicycle
A well-known but often neglected device designed to protect the head of a bicyclist. Helmets decrease the risk of head injuries (traumatic brain damage) by about 85%. Unfortunately, only about 18% of bicyclists in the US use helmets all or…
Read the definitionRandom terms
Show more- Meatus An opening or passageway. For example, the female urethral meatus. The urethra is the transport tube from the…
- Simian crease A single transverse palmar crease, a minor variation associated with Down syndrome (trisomy 21). Also called…
- Ullrich congenital muscular dystrophy A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and…
- Artemidorus Artemidorus of Daldis. Greek physician who wrote Oneirocritica, a work dedicated to the interpretation of…
- Diabetic spinal cord disease Involvement of the spinal cord in diabetes. Most of the neurologic attention in diabetes mellitus has focused…
- De Lange syndrome A relatively common birth defect syndrome with multiple malformations and mental retardation of unknown…
- Cell, cone A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp…
- Chylomicron A small fat globule composed of protein and lipid (fat). Chylomicrons are found in the blood and lymphatic…
- Syndrome, Patau Trisomy 13 syndrome or three chromosome number 13s instead of the normal two. Children with this condition…
- FluMist FluMist™. See: Nasal flu vaccine
- Contig map A map depicting the relative order of a linked library of small overlapping clones representing a complete…
- Fear of money An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…