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).
Lung reduction surgery
A surgical treatment for patients with advanced emphysema in which 20-35% of the emphysematous lung is removed to allow the remaining tissue to expand more fully and restore some of the patient's breathing capacity. Also called lung-volume…
Read the definitionRandom terms
Show more- Interleukin-2 A type of interleukin, a chemical messenger, a substance that can improve the body's response to disease. It…
- Minimal change nephrotic syndrome See: Minimal change disease
- Patellofemoral syndrome (PFS) Patellofemoral syndrome (PFS): The commonest cause of chronic knee pain, PFS characteristically causes vague…
- Spit 1. As a noun: Popular term for sputum.2. As a verb: To eject sputum; to expectorate.See: Sputum
- Lymphatic tissue A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphatic…
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Cholesterol, HDL See HDL cholesterol
- Binucleate Having two nuclei. Binucleate cells are due to a defect in cytokinesis, the process by which two daughter…
- Bacteriophage See: Phage
- Eye chart, Snellen's The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Perianal abscess An abscess next to the anus that causes tenderness, swelling, and pain on defecation
- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…