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.
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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).
Brachycephaly
A short head, one that is short in diameter from front to back. Brachycephaly is a frequent feature of syndromes of congenital malformation (birth defect complexes) including Down syndrome (trisomy 21). The word brachycephaly or, as it…
Read the definitionRandom terms
Show more- Prior authorization In pharmacy, a cost-containment procedure that requires a prescriber to obtain permission to prescibe a…
- Placebo response A positive medical response to taking a placebo, a sham medication as if it were an active medication. Up to…
- Reproductive system In women, the organs that are directly involved in producing eggs and in conceiving and carrying babies. In…
- Balanitis, circinate A form of skin inflammation around the penis in males with Reiter's syndrome. The skin around the shaft and…
- Chromosome, Y See: Y chromosome
- Hodgkin, Dorothy British crystallographer and Nobel Prize winner (1910-1994). Dorothy Crowfoot, as she was born, was educated…
- Syndrome, Klippel-Trenaunay-Weber (KTW) A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata…
- Thrombotic disease due to protein C deficiency Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation…
- UL 1. Upper lid (of the eye). 2. Upper limit. No evidence was found for chronic excess intakes of potassium in…
- Felty syndrome A complication of long-standing rheumatoid arthritis characterized by the presence of 3 conditions --…
- Musicotherapy See: Music therapy
- Xanth- (prefix) A colorful prefix relating to a yellow color. 'Xanth-' is related to the word 'xanthic' which has its roots…