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).
Retrograde intrarenal surgery (RIRS)
Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube called a fiberoptic endoscope. In RIRS the scope is placed through the urethra (the urinary opening) into the bladder and then…
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Show more- Spastic colitis A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Aplastic anemia Anemia due to failure of the bone marrow to produce blood cells, including red and white blood cells as well…
- Ventricular fibrillation An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Diarrhea, antibiotic-induced Diarrhea, antibiotic-induced: A bacterium called Clostridium difficile (C.difficile), one of the most common…
- Yd. Abbreviation for a yard as a measure of length. A yard equals 3 feet or 36 inches. The metric equivalents for…
- Juvenile laryngeal papillomatosis Juvenile laryngeal papillomatosis involves the growth of numerous warty growths on the vocal cords in…
- Cell, fat A cell containing fat. Also called an adipocyte. A fat cell, or adipocyte, is a connective tissue cell that…
- Extremity The extremities in medical language are not freezing cold or scorching heat but rather the uttermost parts of…
- Peritoneal Having to do with the peritoneum
- Small inhibitory RNA See: siRNA
- Mediterranean anemia Better known today as thalassemia (or as beta thalassemia or thalassemia major). The clinical picture of this…
- Rumination 1. Regurgitating food after a meal and then swallowing and digesting some of it. Cattle and other ruminant…