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).
Kidney scoping
Formally known as retrograde intrarenal surgery (RIRS), this is a procedure for doing surgery within the kidney using a viewing tube called a fiberoptic scope (an endoscope). In RIRS the scope is placed through the urethra (the urinary…
Read the definitionRandom terms
Show more- Agonist A drug that binds to a receptor of a cell and triggers a response by the cell. An agonist often mimics the…
- ET Street name for alpha-ethyltryptamine
- Thalassemia, beta Also known as thalassemia major .The clinical picture of this important type of anemia was first described in…
- Bone cyst, aneurysmal A benign lesion in a bone that contains connective tissue and blood inside a thin bony shell and that acts…
- Syndrome, thrombocytopenia-absent radius See Syndrome, TAR
- Disease, Alzheimer See: Alzheimer disease
- Vestibular neuronitis Inflammation of the vestibular nerve, the nerve running to the vestibule. (The vestibule is in the inner ear…
- Line, germ A sequence of cells, each descended from earlier cells in the lineage, which will develop into new sperm and…
- Pemphigus One of a group of chronic, relapsing autoimmune skin diseases that cause blisters and erosions of the skin…
- Sequencing Learning the order of nucleotides (base sequences) in a DNA or RNA molecule or the order of amino acids in a…
- Shock, anaphylactic A life-threatening allergic reaction characterized by a swelling of body tissues including the throat…
- Arachnodactyly Long spider-like fingers and toes, a frequent finding in Marfan syndrome, a heritable disorder of connective…