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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Nonsense mutation
A mutation (a change) in a base in the DNA that prematurely stops the translation (reading) of messenger RNA (mRNA) resulting in a polypeptide chain that ends prematurely and a protein product that is truncated (abbreviated) and incomplete…
Read the definitionRandom terms
Show more- ER 1. Emergency room. 2. Endoplasmic reticulum. 3. Estrogen receptor. 4. Extended release.
- Enuresis Involuntary urination, which may be caused by a variety of factors. These include disorders of the kidneys…
- Alimentary Concerning food, nourishment, and the organs of digestion. From the Latin alimentum meaning nourishment
- Positive clinical trial A clinical trial that shows that the new treatment has a large beneficial effect and is superior to standard…
- Charles Darwin See: Darwin, Charles
- DNA polymerase Enzyme that catalyzes (speeds) the polymerization of DNA. DNA polymerase uses preexisting nucleic acid…
- Therapy, human gene Insertion of normal DNA directly into cells to correct a genetic defect. The treatment of disease by…
- SNP A change in which a single base in the DNA differs from the usual base at that position. These single base…
- Sentinel lymph node biopsy Sentinel lymph node biopsy: Examination of the first lymph node ('gland') that receives lymphatic drainage…
- Witkop syndrome A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Termination codon See: Stop codon
- Tumor registry Recorded information about the status of patients with tumors. Although a registry was originally the place…