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).
Cobalamin
Also called vitamin B12. A vitamin important for the normal formation of red blood cells and for the health of the nerve tissues. Undetected and untreated vitamin B12 deficiency can lead to anemia and permanent nerve and brain damage…
Read the definitionRandom terms
Show more- Pavlov stomach A Pavlov pouch fashioned surgically from part of the stomach (which is isolated from the rest of the…
- Pacemaker, artificial A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- Spot, histo See: Histo spot
- Bile sludge A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- STL2 Stickler syndrome, type II. See: Stickler syndrome
- Clostridium welchii See: Clostridium perfingens.
- Tracheostomy Tracheostomy: A surgical operation to create an opening (stoma) into the windpipe (the trachea). The opening…
- Aase-Smith syndrome II A genetic disorder that may be detected during early infancy and is characterized by the presence of three…
- Urine Liquid waste. The urine is a clear, transparent fluid. It normally has an amber color. The average amount of…
- Excessive daytime sleepiness A neurological disorder in which there is a sudden recurrent uncontrollable compulsion to sleep. Excessive…
- Spasm, coronary artery See: Coronary artery spasm
- Vestibular disorders Vestibular disorders: Disorders of the body's balance (vestibular) system in the inner ear due to a…