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).
Virus, attenuated
To attenuate is to weaken or to make (or become) thin. The word derives from a combination of the Latin prefix 'ad-,' meaning 'to' or 'toward,' and 'tenuis,' meaning 'thin.' The use of 'attenuate' in medicine is not new. In the 16th…
Read the definitionRandom terms
Show more- Restriction endonuclease An enzyme from bacteria that can recognize specific base sequences in DNA and cut (restrict) the DNA at that…
- Albuminuria More than the normal amount of albumin in the urine. Albumin is the predominant protein in human blood and it…
- Cranial nerve VI The sixth cranial nerve is the abducent nerve. It is a small motor nerve that has one task: to supply a…
- Nephron A key unit, both anatomically and functionally, of the kidney.
- Video-assisted resection Surgery that is aided by the use of a video camera that projects and enlarges the image on a television…
- TMA See Trimethylaminuri
- Bladder catheter, indwelling A flexible plastic tube (a catheter) inserted into the bladder that remains ('dwells') there to provide…
- CHF Congestive heart failure
- B. burgdorferi Short for Borrelia burgdorferi, the cause of Lyme disease. Once the full name of a bacterium has been given…
- Disease, lipid storage A series of disorders due to inborn errors in lipid metabolism resulting in the abnormal accumulation of…
- Emery-Dreifuss muscular dystrophy See: Muscular dystrophy, Emery-Dreifuss
- Polypsis of the colon Multiple polyps with a high malignant potential in the large bowel. This hereditary condition is also known…