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).
Polymorphism
A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a frequency of at least 1% in the population. Examples of polymorphisms include the genes for sickle cell disease, thalassemia and G6PD…
Read the definitionRandom terms
Show more- Deficiency, niacin See: Pellagra
- Skin The skin is the body's outer covering. It protects us against heat and light, injury, and infection. It…
- Anatomy in the Bible There are in the Bible but few direct references to the internal organs. Biblical poetry, however, abounds…
- Juxtaspinal Near the spinal column. The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close…
- Jadassohn-Lewandowski Syndrome This syndrome is a form of what is called elephant nails from birth (pachyonychia congenita). The…
- Dynein A family of microtubule motor proteins that derive energy from ATP (adenosine triphosphatase) activity. The…
- Cyclosporiasis Infection with the parasite Cyclospora cayetanensis. See: Cyclospora infection
- Antineoplastic Acting to prevent, inhibit or halt the development of a neoplasm (a tumor). An agent with antineoplastic…
- Clinical investigator A medical researcher who carries out a clinical trial or another type of clinical research
- Nephrolith A kidney stone
- VACTERL association A nonrandom association of birth defects. VACTERL is an mnemonic in which the letters V, A, C, T, E, R, and L…
- Anemia, Fanconi See Fanconi anemia