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 cats
An abnormal and persistent fear of cats which produces an undue anxiety reaction even though sufferers realize their fear is irrational. Sufferers of this phobia may fear not only the scratch or bite of a cat, but also the 'evil mystique'…
Read the definitionRandom terms
Show more- International normalized ratio An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- GM2-gangliosidosis, type 1 This disorder known as Tay-Sachs disease (TSD) is concisely defined by OMIM (Online Mendelian Inheritance in…
- Patau syndrome (trisomy 13 syndrome) A syndrome characterized by multiple malformations, commonly including scalp defects, hemangiomas (blood…
- Laboratory A place for doing tests and research procedures and preparing chemicals, etc. Although 'laboratory' looks…
- Pons A specific section of the brain formed by the rounded prominence on the front surface of the brainstem. (The…
- Colon cancer, family history of The presence of a history of colorectal cancer in a family. The colon cancer risk is higher if an immediate…
- Emotional child abuse Child abuse: Emotional child abuse is the third most frequently reported form of child abuse (after child…
- Breast infection Infection of breast tissue usually caused by bacteria, most often staph (Staphylococcus aureus), which are…
- Development The process of growth and differentiation.
- Sarcoma, metastatic A sarcoma that is spreading into other body tissues through the lymphatic system. The most common site for…
- Median The middle. Like the median strip in a highway.
- Microembolus An embolus of microscopic size. For example, a tiny blood clot or little clump of bacteria. Like any embolus…