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.
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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).
Cannula
Simply a slender tube that can be inserted into a body cavity or duct. During the insertion of the cannula, its lumen (interior) is usually occupied by a trocar, a solid shaft, to stiffen it. The word 'cannula' is the diminutive of the…
Read the definitionRandom terms
Show more- Cranial nerve, second The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Membranous Pertaining to a membrane. As in acute membranous gingivitis, membranous nephropathy, and pseudomembranous…
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…
- Time, prothrombin A clotting test, the prothrombin time is done to test the integrity of part of the clotting scheme. The…
- Pharmacy A location where prescription drugs are sold. A pharmacy is, by law, constantly supervised by a licensed…
- Substance, pressor See: Pressor substance
- Functional genomics The function of each gene in the genome. Functional genomics is the study of genes, their resulting proteins…
- Battered child syndrome A disease in which children are physically abused. The battered child syndrome is a form of child abuse. Not…
- Madelung disease A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- Infection The growth of a parasitic organism within the body. (A parasitic organism is one that lives on or in another…
- Photic sneeze reflex A disorder, also known as the achoo syndrome, characterized by nearly uncontrollable paroxysms of sneezing…
- Vulvitis Inflammation of the external genital organs of the female (the vulva). The vulva includes the labia…