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).
Ventral
A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the brain and the lower two chambers of the heart are called ventricles.
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- Auditory perception The ability to identify, interpret, and attach meaning to sound
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- Uniparous 1) Having produced only one offspring. Also called primiparous. 2) Producing only one offspring at a time…
- Dystonia, idiopathic torsion A form of dystonia known as early-onset torsion dystonia (also called generalized torsion dystonia) begins in…
- Vesicles In dermatology, vesicles are small blisters, most often on the skin. Vesicles also can crop up on the mucous…
- Cholesterol ester transfer protein A protein that helps regulate the size of cholesterol particles and influence the process of atherogenesis…
- Syndrome, superior vena cava The symptoms that result from compression of the large vein that carries blood down to the heart. The…
- Hydranencephaly A condition in which the cerebral hemispheres of the brain are absent and replaced by sacs filled with…
- BKA Acronym standing for 'below knee amputation.' A nurse scrubbing for a BKA is preparing to assist in a…
- Extubation The process of removing a tube from a hollow organ or passageway, often from the airway. The opposite of…
- Octogenarian Someone in his or her eighties, that is, between 80 and 89 years of age. See also: Age by decade