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 tuberculosis
The bacterium that causes tuberculosis. M. tuberculosis has unusually waxy walls, is slow-growing and among the most recalcitrant bacteria to treatment. The complete genome sequence of M. tuberculosis was published in 1998 revealing…
Read the definitionRandom terms
Show more- Clotbuster An informal term for a drug that can dissolve a clot. See: Thrombolytic agent
- Menstrual spotting The presence of apparent menstrual blood during the wrong parts of the menstrual cycle. Some women have a…
- Joint hypermobility syndrome A common benign childhood condition involving hypermobile joints (that can move beyond the normal range of…
- PTU Propylthiouracil, an antithyroid medication, a drug that blocks the production of thyroid hormone by the…
- Tamponade, cardiac A life-threatening situation in which there is such a large amount of fluid (usually blood) inside the…
- Ankylosing Undergoing ankylosis (stiffening or fusion of a joint)
- Patent (adjective) Open, unobstructed, affording free passage. Thus, for example, the bowel may be patent (as opposed to…
- Rounds The act of seeing patients in the hospital or another in-patient setting. After doing his hospital rounds…
- Prenatal care During pregnancy, women should receive regular health care from an obstetrician or midwife. Services needed…
- Perfusion A chemotherapy technique that may be used when melanoma occurs on an arm or leg. The flow of blood to and…
- Fever, Meuse Fever, Meuse: Named for the Meuse River area, one of the great battlegrounds of World War I. Also known as…
- Syndrome, Barlow Barlow syndrome is mitral valve prolapse (also known as 'click murmur syndrome'), the most common heart valve…