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).
Bronchiolitis
Inflammation of the bronchioles, the airways that extend beyond the bronchi and terminate in the alveoli. Bronchiolitis is due to viral infections such as parainfluenza, influenza, adenovirus and, especially, respiratory syncytial virus…
Read the definitionRandom terms
Show more- Epididymitis Inflammation of the epididymis, a structure within the scrotum attached to the backside of the testis. The…
- Regurgitation, aortic See: Aortic regurgitation
- Map, physical A map of the locations of identifiable landmarks on chromosomes. Physical distance is measured in base pairs…
- Clonic seizure A seizure in which there are generalized clonic contractions with the entire body jerking, but without a…
- Bedwetting Bedwetting: Involuntary urination in bed. Bedwetting is called 'enuresis,' from the Greek 'enourin' meaning…
- CIC Completely-in-the-canal (the ear canal). See: Completely-in-the-canal hearing aid. See also: Hearing aid
- X, factor A coagulation factor, a substance in blood essential to the normal clotting process. Production of factor X…
- Syndrome, testicular feminization Now more appropriately called the complete androgen insensitivity syndrome, this is a genetic disorder that…
- Membrane, epiretinal See: Macular pucker
- Para-esophageal hiatal hernia Hiatal hernias are categorized as being either para-esophageal or sliding. Para-esophageal hernias are…
- Congenital deafness and retinitis pigmentosa (Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder…
- Septum A word borrowed from the Latin 'saeptum' meaning a 'dividing wall or enclosure.