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).
Olfaction
The sense of smell, part of the chemical sensing system, or the chemosenses. Sensory cells in the nose, mouth, and throat have a role in helping interpret smells and taste flavors. Microscopic molecules released by substances (foods…
Read the definitionRandom terms
Show more- Arabidopsis thaliana A plant belonging to the mustard family. See also: Arabidopsis thaliana genome
- Sinus bradycardia A regular but unusually slow heart beat (60 beats/minute or less at rest). Sinus bradycardia can be the…
- Episcleritis Inflammation of the episclera, a thin membrane that covers the sclera (the white of the eye). Episcleritis is…
- Cyclin One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Neck dissection A surgical procedure in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to…
- Angiography, fluorescein See: Von Willebrand disease.
- Syndrome, Rendu-Osler-Weber See: Hereditary hemorrhagic telangiectasia
- Ventricle A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the…
- Entomology, medical See: Medical entomology
- Care, ambulatory See: Ambulatory care
- Repair, mismatch A system within the cell for correcting errors in DNA that works by detecting and replacing bases in the DNA…