MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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 feces
El waste): An abnormal and persistent fear of feces (bowel waste). Sufferers of this fear experience anxiety even though they realize their fear is irrational. They go out of their way to avoid coming into contact with feces or sometimes…
Read the definitionRandom terms
Show more- Endocardial Pertaining to the endocardium, the inside lining of the heart
- EOS The gene for familial eosinophilia. EOS has been mapped to chromosome region 5q31-33 containing the cytokine…
- Ring, intrastromal corneal A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…
- Genome, Arabidopsis thaliana See: Arabidopsis thaliana genome
- Oath of Maimonides A prayer that is said to have been written by the 12th-century physician-philosopher Moses Maimonides. Like…
- Platelet aggregation The clumping together of platelets in the blood. Platelet aggregation is part of the sequence of events…
- Toll receptor One of a family of receptors that provide a critical link between immune stimulants produced by…
- Tracheoesophageal puncture A small opening made by a surgeon between the esophagus and the trachea. A valve keeps food out of the…
- Electron microscopy A recording of the eye movements, usually done to confirm the presence of nystagmus. Electronystagmogram may…
- PC Although PC is usually taken to mean personal computer, in the biomedical arena PC also stands for protein C…
- Drug, over-the-counter (OTC) A drug for which a prescription is not needed
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…