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).
Luschka, foramina of
Two openings from the fourth ventricle, one in a system of four communicating cavities called ventricles within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral…
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Show more- Nipple confusion A problem that may beset a bottlefed baby in which it forgets how to nurse on mother's nipple. Breastfeeding…
- Dysphagia Difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is…
- ARB Angiotensin II receptor blocker
- Anatomical position The position with the body erect with the arms at the sides and the palms forward. The anatomical position is…
- Aromatase An enzyme involved in the production of estrogen that acts by catalyzing the conversion of testosterone (an…
- Joint, elbow Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm…
- Map, linkage A map of the genes on a chromosome based on linkage analysis. A linkage map does not show the physical…
- Mediastinoscopy A procedure in which the doctor inserts a tube into the chest to view the organs in the mediastinum. The tube…
- Immunization, MMR The standard vaccine given to prevent measles, mumps and rubella (German measles). The MMR vaccine is now…
- Heart test, EPS ElectroPhysiologic Study of the heart, a test of the electrical conduction system of the heart (the system…
- Arrector pili A microscopic band of muscle tissue which connects a hair follicle to the dermis. When stimulated, the…
- Phlebitis Inflammation of a vein. With phlebitis, there is infiltration of the walls of the vein and, usually, the…