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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Substance Abuse and Mental Health Services
Nistration: A part of the U.S. Public Health Service, SAMHSA works to improve the quality and availability of substance abuse prevention, addiction treatment, and mental health services. Provides funding through block grants to states for…
Read the definitionRandom terms
Show more- Blastoma A tumor thought to arise in embryonic tissue. The term 'blastoma' is commonly used as part of the name for a…
- Plasma cell A type of white blood cell that produces and secretes antibodies. A plasma cell is a fully differentiated…
- Cor pulmonale Heart disease that results from abnormally high resistance to the passage of blood through the lungs; it…
- SLS (Sjogren-Larsson syndrome) The Sjogren-Larsson syndrome is a genetic (inherited) disease usually characterized by a triad of clinical…
- Gland, pituitary The main endocrine gland. It is a small structure in the head and is called the master gland because it…
- Dacry- Combining form used before a vowel to denote a relationship to tears. See: Dacryo-
- Typhus, rat-flea See Typhus, murine
- Acou- Combining form relating to hearing. As in acoustic, otoacoustic emission test, and presbyacousia
- Anemia Anemia: The condition of having less than the normal number of red blood cells or less than the normal…
- TXB2 Thromboxane B2, the inactive product of thromboxane
- Duane syndrome See: Okihiro syndrome.
- Narcotic 1. A drug that causes insensibility or stupor. A narcotic induces narcosis, from the Greek 'narke' for…