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).
Extravasate
To exude from or pass through the walls of a vessel into the surrounding tissues. Blood, lymph, or urine can extravasate. From the Latin 'extra' (out of) + 'vas' (vessel) = out of a vessel.
Read the definitionRandom terms
Show more- Radiation during pregnancy See: Prenatal radiation exposure
- Disease, mad deer See Chronic wasting disease
- Wry neck Medically called spasmodic torticollis, or torticollis. The most common of the focal dystonias. In…
- Pachymeninges The dura. From pachy- (thick) + -meninges (membranes). The singular is pachymeninx
- Nerve, recurrent laryngeal One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Intercellular Between cells, as in an intercellular bridge
- Angiitis See: Vasculitis
- Heart, Lung, and Blood Institute, National BI): One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for…
- Papilla, cancer of Cancer of: Cancer of a structure called the papilla or ampulla of Vater, a small muscle located at the…
- Neurologist A doctor who specializes in the diagnosis and treatment of disorders of the nervous system
- Coccygeal vertebrae The coccyx, the small tail-like bone at the bottom of the spine near the anus, is made up of 3-5 (average of…
- Clap Gonorrhea, a bacterial infection transmitted by sexual contact. Gonorrhea is one of the oldest known sexually…