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).
Mycobacterium leprae
The bacillus responsible for leprosy (Hansen disease). Mycobacterium leprae is an obligate parasite that has to live within cells. There it is able to withstand the onslaught of enzymes and other forces by virtue of possessing a peculiarly…
Read the definitionRandom terms
Show more- Nullipara A woman who has never given birth to a child.
- Apheresis The process of removing a specific component from blood and returning the remaining components to the donor…
- Low blood sugar A low blood level of the sugar glucose. Also called hypoglycemia. Hypoglycemia is only significant when it is…
- Organic dust toxic syndrome A flu-like illness due to the inhalation of grain dust with symptoms including fever, chest tightness, cough…
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…
- Speculum, nasal An instrument used to widen the opening of a nostril so the inside can be more easily seen. 'Speculum' is the…
- Pelvic Having to do with the pelvis, the lower part of the abdomen, located between the hip bones
- Cow genome See: Bovine genome
- Leukemia, lymphocytic A form of leukemia that has a sudden onset, lymphocytic leukemia starts in the bone marrow but often spreads…
- ICU Intensive Care Unit.
- Atonia, REM sleep Sleep : A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to…
- Delirium A sudden state of severe confusion and rapid changes in brain function, sometimes associated with…