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).
Braille system
A system of raised-dot writing devised by Louis Braille (1809-1852) for the blind in which each letter is represented as a raised pattern that can be read by touching with the fingers. The System: Each braille character or 'cell' is made…
Read the definitionRandom terms
Show more- Penis, inflammation of the head of the Inflammation of the rounded head (the glans) of the penis is called balanitis. In the uncircumcised male…
- ASA (drug caution code) Abbreviation on a medication that indicates it contains acetylsalicylic acid (aspirin). This special caution…
- Zenker diverticulum The most common type of outpouching in the esophagus, due to increased pressure causing the mucous membrane…
- Unguis incarnatus Ingrown toenail
- Point mutation A single nucleotide base change in the DNA. A point mutation may consist of the loss of a nucleotide, the…
- Atresia, biliary Congenital absence or closure of the major bile ducts, the ducts that drain bile from the liver. Biliary…
- Knee joint The knee joint has three parts. The thigh bone (the femur) meets the large shin bone (the tibia) to form the…
- Microphthalmia syndrome, Lenz Tattooing.
- Funny bone As in 'it tickled my funny bone.' When the elbow is bumped, the ulnar nerve running past the elbow is…
- Red jungle fowl Gallus gallus, the ancestor of domestic chickens
- Tetraethylplumbane Tetraethyl lead
- Syndrome, yeast The yeast Candida has been thought to cause a syndrome with a number of nonspecific problems including…