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).
Fear of loneliness
An abnormal and persistent fear of loneliness, of being alone. Sufferers of this fear experience undue anxiety even though they realize that being alone does not threaten their well-being. They may worry about being ignored and unloved, or…
Read the definitionRandom terms
Show more- Live animal market See: Wet market
- Ventricular assist device A mechanical pump that takes over the function of the damaged ventricle of the heart and restores normal…
- Pituitary, posterior A mild form of eczema that occurs in young children and adolescents and produces mild patchy lightening and…
- Stage of expulsion See: Second stage of labor
- Bradykinesia Bradykinesia: Slowed ability to start and continue movements, and impaired ability to adjust the body's…
- Transcription factor A protein that controls when genes are switched on or off -- whether genes are transcribed or not…
- Idiopathic sclerosing cholangitis See: Primary sclerosing cholangitis
- Prominentia laryngea The prominence of the larynx, more commonly known as the Adam's apple. This familiar feature in front of the…
- Labyrinthitis Inflammation of the labyrinth, the system of intercommunicating canals and cavities within the inner ear…
- Pill splitter A device for tablet splitting
- Hirschsprung disease Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the…
- Diagnosis 1 The nature of a disease; the identification of an illness. 2 A conclusion or decision reached by diagnosis…