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).
Neonatal sepsis
A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be listless, overly sleepy, floppy, weak, and very pale.
Read the definitionRandom terms
Show more- FGFR3 Abbreviation for fibroblast growth factor receptor 3. Mutations in the FGFR3 gene are known to cause three…
- Brace, foot-drop See Ankle-foot orthosis
- Colitis, universal Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- Cemento-ossifying fibroma A hard fibrous growth that continues to enlarge, sometimes to very significant size, unless treated, most…
- Impotence Impotence: A common problem among men characterized by the consistent inability to sustain an erection…
- Microbe A very tiny form of life -- microbes include bacteria, fungi, and protozoan parasites -- best visualized…
- Dactyledema Swelling of the fingers or toes
- Disease, rheumatic heart Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating…
- Tamoxifen (Nolvadex) An antiestrogen (a drug that blocks the effects of estrogen) which competes with estrogen for binding sites…
- Lateral X-ray An X-ray picture taken from the side
- Pancreatic delta cell A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Ulcer, duodenal See: Duodenal ulcer