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).
Reservoir, Ommaya
A device implanted under the scalp that is used to deliver anticancer drugs to the cerebrospinal fluid, the fluid surrounding the brain and spinal cord. The device is named for the U.S. neurosurgeon Ayub Ommaya
Read the definitionRandom terms
Show more- Supercilious Arrogant, haughty or disdainful. From the raising of an eyebrow ('supercilium' in Latin). Supercilious is an…
- Cleft lip The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only…
- Psychology, social The study of the mind and mental processes, particularly as regards social interactions, focusing on the ways…
- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Autoimmune lymphoproliferative syndrome (ALPS) A disease caused by failure of lymphocytes to die once they have finished doing their job. As a result…
- Scientist, medical See: Medical scientist
- Positive pressure ventilation The provision of oxygen under pressure by a mechanical respirator, a machine designed to improve the exchange…
- Monocular diplopia See: Diplopia, monocular
- Asclepius One of the earliest Greek gods to specialize in healing. He was known to the Romans as Aesculapius. Healers…
- Shotty Resembling shot or pellets of lead, shotgun pellets and, hence, hard and round. The term 'shotty' was in use…
- Para- (prefix) A prefix with many meanings, including: alongside of, beside, near, resembling, beyond, apart from, and…
- Epidermolysis bullosa simplex A blistering skin condition usually inherited as an autosomal dominant disease. The faulty genes are those…