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).
Breech birth
Literally, delivery of the baby by the buttocks first, rather than the head as is usual. Breech birth is more likely to cause injury to the mother or the infant. In many cases a baby in the breech position can be 'turned' before delivery…
Read the definitionRandom terms
Show more- Benign recurrent aseptic meningitis Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign…
- Angiography, coronary The most accurate method (the 'gold standard') for evaluating and defining coronary artery disease (CAD)…
- Snot A popular, perjorative, and somewhat offensive term for nasal mucus (mucus produced in the nose)
- Syndrome, tooth and nail A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Caudal epidural anesthesia See Caudal anesthesia
- Skin plaque A plaque is a broad, raised area on the skin. Because it is raised, it can be felt (palpated). By definition…
- Genetics, transplantation The field of biology and medicine relating to the genes that govern the acceptance or rejection of a…
- Gy Abbreviation for gray
- Sternutator Something that causes a sneeze. From the Latin sternutatio (sneeze). See also: Sternutation
- Chronic obstructive lung disease (COLD) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Enzyme defect A disorder resulting from a deficiency (or functional abnormality) of an enzyme. In 1902 Archibald Garrod…
- Phenylketonuria Phenylketonuria: The inherited inability to metabolize (process) the essential amino acid phenylalanine due…