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).
Attenuated virus
To attenuate is to weaken or to make (or become) thin. The word derives from a combination of the Latin prefix 'ad-,' meaning 'to' or 'toward,' and 'tenuis,' meaning 'thin.' The use of 'attenuate' in medicine is not new. In the 16th…
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Show more- Orthopox The family of viruses to which belongs vaccinia, the virus that causes smallpox. Other members of the…
- Pseudoobstruction, neuropathic Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel
- Arcuate neuron A neuron in the arcuate nucleus of the brain. See: Arcuate nucleus
- Montgomery, William W. Pioneering American otolaryngologist who developed many techniques used in surgery on the throat and the…
- Flax seed The seed of the common flax plant (also known as linseed and, botanically, Linum usitatissimum). Flax seed…
- Cardioplegia Paralysis of the heart, as may be done electively in stopping the heart during cardiac surgery. Cardioplegia…
- Pseudo-Hurler polydystrophy A rare genetic disease that is passed on via an autosomal recessive gene. It is characterized by abnormal…
- Radioisotope A version of a chemical element that has an unstable nucleus and emits radiation during its decay to a stable…
- Neuropathy, accessory See: Accessory neuropathy
- Acuity test, visual This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Phenomenon, Raynaud's A condition resulting in discoloration of fingers and/or toes when a person is exposed to changes in…
- Tooth The structures within the mouth that allow for biting and chewing. Teeth have different shapes, depending on…