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).
Vestibule
In medicine and dentistry, a vestibule is a space or cavity at the entrance to a canal, channel, tube, vessel. In ancient Rome, the 'vestibulum' was an entrance or enclosed porch leading into the house
Read the definitionRandom terms
Show more- Genetic transformation A process by which the genetic material carried by an individual cell is altered by the incorporation of…
- Virtual colonoscopy Virtual colonoscopy: A method for examining the colon by taking a series of x-rays and then using a computer…
- Ileitis, Crohn Inflammation of the ileum (the farthest segment of the small intestine) due to Crohn disease. Crohn disease…
- Cardiovascular The circulatory system comprising the heart and blood vessels which carries nutrients and oxygen to the…
- Petit mal A form of epilepsy with very brief, unannounced lapses in consciousness. A petit mal seizure involves a brief…
- Jellyfish itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Thrombocytopenia, heparin-induced See TAR syndrome.
- Chain-termination codon A set of three adjacent bases in the DNA or their complementary bases in messenger RNA that specifies the end…
- Trigeminal neuralgia Trigeminal neuralgia: Also called tic douloureux. Inflammation of the trigeminal nerve (the fifth cranial…
- Bone, ethmoid See: Ethmoid bone
- XX The sex chromosome complement of a normal human female. See also X chromosome
- Hexadactyly The presence of an extra digit, a sixth finger or toe, which is a very common congenital malformation (birth…