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).
Illusion
A perception that occurs when a sensory stimulus is present but is incorrectly perceived and misinterpreted, such as hearing the wind as someone crying. Everyone may occasionally experience an illusion. However, illusions are…
Read the definitionRandom terms
Show more- Molecule The smallest unit of a substance that can exist alone and retain the character of that substance.
- DTC Direct-to-consumer, as in DTC advertising of prescription drugs
- Deafness with goiter Deafness with goiter: See Pendred syndrome
- Bilharzia Disease caused by worms that parasitize people. Also called schistosomiasis. Three main species of these…
- Disease, Plummer's Toxic multinodular goiter, a condition in which the thyroid gland contains multiple lumps (nodules) that are…
- Transplant, liver See: Liver transplant
- MPS Abbreviation for mucopolysaccharidosis
- Rickettsioses The infectious diseases caused by the rickettsiae. See Rickettsial diseases
- Electrolyte An electrolyte is a substance that will dissociate into ions in solution and acquire the capacity to conduct…
- Syndrome, dengue shock A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Nosebleed, treatment of To stop a nosebleed, you should pinch all the soft parts of the nose together between your thumb and index…
- MPO deficiency Myeloperoxidase deficiency