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).
Hereditary mutation
Mutation: A heritable change in the DNA of a gene or chromosome in a cell destined to become an egg or a sperm or the zygote (the conceptus) at the single-cell stage. When transmitted to a child, an hereditary mutation is incorporated in…
Read the definitionRandom terms
Show more- Coccygeal Referring to the coccyx, the small tail-like bone at the bottom of the spine, that is made up of 3-5 (average…
- Test, prostate specific antigen See: PSA
- Gnashing Grinding the teeth. More formally called 'bruxism.' Gnashing, or bruxism, is due to clenching of the teeth…
- Hypotension Any blood pressure that is below the normal expected for an individual in a given environment. Hypotension is…
- Case-to-infection ratio The ratio of the number of cases of a disease compared to the number of infections with the agent that causes…
- Headache Headache: A pain in the head with the pain being above the eyes or the ears, behind the head (occipital), or…
- Test, inkblot A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what…
- U.S. National Library of Medicine (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Macrophagic myofasciitis A muscle disease first identified in 1993, macrophagic myofasciitis is named for the findings seen in tissue…
- Neuralgia, vidian A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Achilles tendonitis Inflammation of the Achilles tendon, the tough sinew that attaches the calf muscle to the back of the…
- Disease, Paget See: Paget disease