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).
Red-green colorblindness
A form of colorblindness in which red and green are perceived as identical. This is the most common type of colorblindness. It is inherited in an X-linked recessive manner and affects 6% of males. It is also known as deutan colorblindness…
Read the definitionRandom terms
Show more- Chemical reaction A process in which one substance is transformed into another. Thousands of different types of chemical…
- Crocodile tears syndrome Spontaneous tearing in parallel with the normal salivation of eating. The crocodile tears syndrome occurs…
- Bayes' theorem See: Bayes theorem
- Seizure, grand mal See: Grand mal
- Blastoma A tumor thought to arise in embryonic tissue. The term 'blastoma' is commonly used as part of the name for a…
- Fear of mirrors An abnormal and persistent fear of mirrors. Sufferers experience undue anxiety even though they realize their…
- Mitochondrial disease Mitochondrial disease: Mutations (changes) in the mitochondrial chromosome are responsible for a number of…
- Jugular The principal vein in the front of either side of the neck. The word comes from the Latin jugulum meaning…
- Penis, inflammation of the foreskin and glans In the uncircumcised male, balanitis (inflammation of the glans, the rounded head of the penis) and posthitis…
- Clinical Research Center (CRC) A key resource for clinical research. Also called a General Clinical Research Center (GCRC). One in a…
- Morton toe See: Morton's syndrome
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…