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).
Bezoar
A clump or wad of swallowed food and/or hair. Bezoars can sometimes be found to cause blockage of the digestive system, especially at the exit of the stomach. When a bezoar is composed of hair, it is referred to as a hairball or…
Read the definitionRandom terms
Show more- DNA In the UK, DNA is an abbreviation for "did not attend." (In the US, the term used for a patient who missed an…
- Musical hallucination A form of auditory hallucination in which music is heard, often the same piece of music. In most cases the…
- Neutral foot type The most common type of foot. A runner with a neutral type of foot lands on the heel and rolls forward during…
- Disease, mitochondrial >An eye disease called Leber's hereditary optic atrophy; >A type of epilepsy called MERRF which stands for…
- Sagittal sinus A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Anderson-Fabry disease See: Fabry disease
- Encephalitis, eastern equine See: Eastern equine encephalitis
- Chromosome inversion, pericentric A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is…
- Caveola An tiny pit, grotto, depression, incupping in the surface of a cell. The name 'caveola' means little cave…
- Vasomotor rhinitis Inflammation of the nose (rhinitis) due to abnormal neuronal (nerve) control of the blood vessels in the…
- Bernard, Christiaan South African surgeon (1922-2001) who pioneered cardiac transplantation. Dr. Bernard did the world's first…
- Proteolipid protein The complete set of proteins expressed and modified following their expression by the genome. The term…