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).
B. quintana
Also called Rochalimaea quintana), Bartonella quintana is an unusual rickettsial organism that can multiply within the gut of the body louse and then can be transmitted to humans. Transmission to people can occur by rubbing infected louse…
Read the definitionRandom terms
Show more- Lyophilize To freeze-dry. The material is rapidly frozen and dehydrated under high vacuum. The process is termed…
- Cleft lip The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only…
- Homeotherm A homeotherm is a warm-blooded animal (such as homo sapiens). Another term for us warm-blooded creatures is…
- Dermatan sulfate An glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin but also in blood vessels…
- Non-inferiority clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Argyria Silver poisoning resulting in ashen gray discolored skin (and other tissues of the body). Due to long-term…
- Leukoencephalopathy with vanishing white matter White matter: An inherited brain disease that occurs mainly in children. and follows a chronic progressive…
- Afferent Carrying toward. A vein is an afferent vessel since it carries blood toward from the heart. An afferent nerve…
- EEE Eastern equine encephalitis
- Transplant, renal Replacement of a diseased, damaged, or missing kidney with a donor kidney. Also called a kidney transplant…
- Sclerosis Localized hardening of skin
- JMML Juvenile myelomonocytic leukemia