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.
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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).
Immunization, Haemophilus influenzae type B (HIB)
Immunization designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria responsible for a range of serious 'invasive' diseases including meningitis with potential brain damage and epiglottitis with airway…
Read the definitionRandom terms
Show more- Neurologist A doctor who specializes in the diagnosis and treatment of disorders of the nervous system
- Fever, Rocky Mountain spotted (RMSF) Fever, Rocky Mountain spotted (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky…
- Gastroscope A flexible, lighted instrument that is put through the mouth and down the esophagus to view the stomach…
- DGS See: DiGeorge syndrome
- Peri- Prefix meaning around or about. For example, pericardial is around the heart, and periaortic lymph nodes are…
- Diabetic shock Hypoglycemia (low blood sugar) associated with diabetes. Symptoms include a sweet, chemical odor on the…
- Typhus One of a group of acute infections caused by rickettsiae, transmitted by arthropods (lice, fleas, mites), and…
- Fistula An abnormal passageway in the body. The fistula may go from the body surface into a blindpouch or into an…
- Charles D. Kelman See: Phacoemulsification
- Amuck See: Amok
- Diabetes skin condition See: Diabetic skin disease
- Left atrium The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it…