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 demons
S (demons): An abnormal and persistent fear of evil supernatural beings in persons who believe such beings exist and roam freely to cause harm. Those who suffer from this phobia realize their fear is excessive or irrational. Nevertheless…
Read the definitionRandom terms
Show more- Impetigo Impetigo: A bacterial skin infection caused by the staphylococcus or, more rarely,streptococcus bacteria. The…
- Syndrome, chromosome 4p- The 4p- syndrome or Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the short…
- Osler's nodes These are small (the size of split peas), tender, transient nodules in the pads of fingers and toes and the…
- Barlow syndrome Barlow syndrome is mitral valve prolapse (also known as 'click murmur syndrome'), the most common heart valve…
- CA 27-29 A tumor marker similar to the CA 15-3 that is found in the blood of most breast cancer patients. CA 27-29…
- Incontinence, fecal Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters…
- ARB Angiotensin II receptor blocker
- Gallbladder absence This condition, also known as agenesis (failure of development) of the gallbladder, occurs in approximately…
- Wt Weight. Wt 80 lbs = weight 80 pounds.
- Fever, Rift Valley See: Rift Valley fever
- VSD A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the…
- MRCP Magnetic resonance cholangiopancreatography, an application of MRI (magnetic resonance imaging) to the…