MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Cystoscope
An optical instrument (a scope) that is inserted through the urethra into the bladder. A cystoscope has two ports. Aside from the optical port that permits one to see inside the bladder, there is an additional port in the instrument for…
Read the definitionRandom terms
Show more- Liter A metric measure of capacity that, by definition, is equal to the volume of a kilogram of water at 4 degrees…
- Phytodermatitis Inflammation of the skin caused by a plant. The basic clinical patterns of phytodermatitis are allergic…
- Lymphocytic colitis Lymphocytic colitis> A type of inflammatory disease of the large intestine (colon). The name derives from the…
- Malignancy A tumor that is malignant, that is cancerous, that can invade and destroy nearby tissue, and that may spread…
- Cranial nerve I The first nerve to emerge from or enter the skull (the cranium). (There are twelve cranial nerves.) The first…
- Midnight children Term applied sometimes to children with xeroderma pigmentosum, a genetic disease with such extraordinary…
- Polio vaccine, live See: Polio vaccine, oral
- Urgency, urinary An immediate unstoppable urge to urinate, due to a sudden involuntary contraction of the muscular wall of the…
- AAAS Spoken of as the 'triple-AS', the American Association for the Advancement of Science is an organization…
- Proximal See: Myotonic dystrophy type 2.
- Dendritic cell A special type of cell that is a key regulator of the immune system, acting as a professional…
- Peptidyl-prolyl cis/trans isomerase An enzyme also known as Pin1. See: Pin1