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).
Paracentesis
The removal of fluid from a body cavity using a needle, trocar, cannula, or other hollow instrument. A paracentesis may be diagnostic or therapeutic as, for example, in ascites where there is free fluid in the abdominal (peritoneal)…
Read the definitionRandom terms
Show more- HHV-8 Human herpesvirus 8, a herpesvirus that contributes to the development of Kaposi sarcoma, an otherwise rare…
- Formula, infant A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding…
- Memory, short-term A system for temporarily storing and managing information required to carry out complex cognitive tasks such…
- Quincke's disease This is angioneurotic edema (or angioedema), a form of localized swelling of the deeper layers of the skin…
- Category four hurricane A hurricane with winds 131-155 mph (114-135 kt or 210-249 km/hr). Storm surge generally 13-18 ft above…
- Otolaryngologist A physician specialized in diagnosing and treating diseases of the head and neck, especially those involving…
- Rapid eye movement sleep Sleep: Rapid eye movement sleep (REM) sleep is the portion of sleep when there are rapid eye movements…
- Reiki ('RAY-kee') A Japanese word representing Universal Life Energy. Reiki is based on the belief that when…
- Bariatrician A physician practicing bariatrics, the field of medicine concerned with weight loss. Also called a bariatric…
- Myositis Inflammation of muscle tissue. There are many causes of myositis, including injury, medications, and diseases
- Bilateral Having, or relating to, two sides. Bilateral is as opposed, for example, to unilateral (which means having…
- Cure 1. To heal, to make well, to restore to good health. Cures are easy to claim and, all too often, difficult to…