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).
PCL (posterior cruciate ligament)
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ligaments). These ligaments provide stability and strength…
Read the definitionRandom terms
Show more- S1-S5 (sacral vertebrae) The first sacral vertebra through the fifth sacral vertebra. There are 5 sacral vertebral bones. They are…
- Gastroesophageal Pertaining to both the stomach and the esophagus, as in the gastroesophageal junction, the place where the…
- Omphalo- A birth defect in which part of the intestine, covered only by a thin transparent membrane, protrudes outside…
- Body stuffing The swallowing of relatively small amounts of loosely wrapped illicit drugs because of the fear of arrest
- Succumb To lose the will to oppose something or to give up and accept something that you first opposed. In the…
- Pneumonia, aspiration Inflammation of the lungs due to aspiration (the sucking in of food particles or fluids into the lungs).
- Kidney stones, cystine Cystine kidney stones are due to cystinuria, an inherited (genetic) disorder of the transport of an amino…
- Therapy, constraint-induced movement A form of intensive physical therapy aimed at reorganizing and reprogramming the brain after a stroke, a…
- Fever of Unknown Origin Fever of unknown origin (FUO) is a fever greater than 38.3°C (101 °F) that has occurred intermittently for…
- Fibrillation, atrial An abnormal irregular heart rhythm whereby electrical signals are generated chaotically throughout the upper…
- Whooping cough Also known as pertussis, this is a feared infectious disease that can strike the respiratory system and…
- Hirudin An anticoagulant ('bloodthinner'). Hirudin is the active principle in the salivary secretion of leeches. The…