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).
Engram
An enduring change in the brain postulated to account for the persistence of memory. The term 'engram' was coined in 1908 to denote the permanent trace left in the brain by a remembered stimulus, the lasting latent memory engraved into the…
Read the definitionRandom terms
Show more- Care, nail See: Nail care
- HHV-5 Human herpesvirus 5. See cytomegalovirus.
- Neurectomy The removal of part or all of a nerve
- Neurosyphilis, tabes Also known as tabes dorsalis, the slowly progressive degeneration of the spinal cord that occurs in the late…
- Normal range By convention, the normal range for whatever (a particular test, condition, symptom, behavior, etc.) is set…
- FET1 See: ETM1
- Regress To return or go back, particularly to return to a pattern of behavior or level of skill characteristic of a…
- Choanal stenosis Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The…
- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Testis The testis (or testicle) is the male sex gland. A pair of testes are located behind the penis in a pouch of…
- Pediatric UTI See: Urinary tract infection in children
- Dissection, neck Surgery in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to identify, examine…