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).
Single base change
A change in which a single base in the DNA differs from the usual base at that position. These single base changes are also called SNPs or 'snips.' Millions of SNP's have been cataloged in the human genome. Some SNPs such that which causes…
Read the definitionRandom terms
Show more- Sacroiliac joint pain : See sacroiliac joint dysfunction.
- Anosmia No sense of smell, due to loss of the sense of smell or failure for it to develop. Loss of the sense of smell…
- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- VCUG Voiding cystourethrography. Or voiding cystourethrogram
- Rhabdomyosarcoma A malignant tumor that starts in muscle. Rhabdomyosarcoma is primarily a childhood tumor and occurs most…
- Livid Black and blue.
- Test, child development A test of the status of a newborn, an infant or young child as regards their developmental progress. One of…
- Antifreeze poisoning Poisoning from antifreeze which today is usually ethylene glycol -- a clear, colorless, odorless liquid with…
- Anisometropia The condition in which the two eyes have an unequal refractive power. One eye may be myopic (nearsighted) and…
- Test, EPO A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Hematuria Blood in the urine. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be…
- Icterus Jaundice. At least one medical dictionary defines icterus as the presence of jaundice seen in the sclera of…