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).
Mutation, point
A single nucleotide base change in the DNA. A point mutation may consist of the loss of a nucleotide, the insertion of an additional nucleotide, or the substitution of one nucleotide for another. The first point mutation discovered in…
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Show more- Arbovirus A class of viruses transmitted to humans by arthropods such as mosquitoes and ticks. The first two letters of…
- Sepsis Commonly called a 'blood stream infection.' The presence of bacteria (bacteremia) or other infectious…
- Seizure, focal motor See: Focal motor seizure
- Calcimimetic A drug in a class of orally active, small molecules that decrease the secretion of parathyroid hormone (PTH)…
- Dyslexia Dyslexia: A specific reading disability due to a defect in the brain's processing of graphic symbols…
- Fusiform Formed like a spindle, wider in the middle and tapering toward the ends. An aneurysm may be fusiform. The…
- Flutter Flutter is a rapid vibration or pulsation. The difference between flutter and fibrillation is that flutter is…
- Abortion, multiple Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have…
- Whiplash injury Hyperextension (over-extension) injury to the neck, often the result of being struck from behind, as by a…
- Linkage The tendency for genes and other genetic markers to be inherited together because of their location near one…
- Bronchoscope A thin, flexible instrument used to view the air passages of the lung
- Moyamoya A pattern of progressive obstructive and occlusive cerebral arteritis (inflammation of the cerebral arteries…