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).
Nonpathogenic
Incapable of causing disease. Nonpathogenic bacteria are harmless. By contrast, pathogenic bacteria can cause disease. For example, nonpathogenic E. coli are E. coli that are innocuous (like most E. coli) while pathogenic E. coli can make…
Read the definitionRandom terms
Show more- Scrofulous 1. Literally, relating to scrofula (tuberculosis of the lymph nodes, particularly of the neck). 2…
- Eructation Better known as burping or belching. Casting up wind (expelling air) from the stomach through the mouth
- PJS Polycystic kidney disease.
- Postoperative care Care given after surgery until the patient is discharged from the hospital or surgicenter and, in some cases…
- Cross-sectional study A study done at one time, not over the course of time. A cross-sectional study might be of a disease such as…
- Emergency department The department of a hospital responsible for the provision of medical and surgical care to patients arriving…
- Transport defect Within the body, many molecules are able to pass across the membranes that surround cells. These molecules…
- CCHF Crimean-Congo hemorrhagic fever
- Gingivitis Gum disease with inflammation of the gums. On inspection, the gums will appear red and puffy, and will…
- Retrograde intrarenal surgery (RIRS) Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube…
- Amnesic aphasia See Anomia.
- Albright syndrome Tough white fibrous tissue. The tunica albuginea of the testis, for example, is the layer of dense whitish…