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).
Spermatocide
Any agent that is destructive to spermatozoa (that is, kills sperm). Nonoxynol-9 is the most commonly encountered spermatocide in the United States. (The nonoxynols, technically speaking, are nonionic surfactant [surface active] mixtures…
Read the definitionRandom terms
Show more- Sociopathic personality disorder See: Antisocial personality disorder
- Dyspareunia The medical term for pain during sexual intercourse.
- Diesel exhaust The exhaust generated by diesel engines. This exhaust is a complex mixture of combustion products of diesel…
- Forensic anthropology The application of the science of physical anthropology to the legal process. Forensic anthropology includes…
- Cinacalcet A drug that acts as a calcimimetic and that is marketed under the trade name Sensipar. For more information…
- Error, beta The statistical error (said to be 'of the second kind' or type II) made in testing an hypothesis when it is…
- Cell, delta (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Nodding syndrome A mysterious disease of children that causes seizures, growth retardation (stunted growth), mental…
- H. erectus See: Homo erectus
- RUQ Abbreviation for the right upper quadrant (quarter). The RUQ of the abdomen contains the liver and the…
- BP Commonly used abbreviation for blood pressure. On a medical chart, you might see 'BP90/60 T98.6 Ht60/reg…
- Midwife, direct-entry See: Direct-entry midwife