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).
Protein ZIP code
An informal name for a molecular cell biology system of signals or 'address tags' that guide the movement of a protein within a cell. In more technical terms, protein ZIP codes* are molecular signals that direct the protein from the…
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Show more- Sodium The major positive ion (cation) in fluid outside of cells. The chemical notation for sodium is Na+. When…
- Renal Fanconi syndrome Failure of the tubules in the kidney to reabsorb small molecules, causing increased urinary loss of…
- Ear thermometer A thermometer that registers body temperature via the ear canal. The ear thermometer was invented in 1964 by…
- Tinel's sign An examination test that is used by doctors to detect an irritated nerve. Tinel's sign is performed by…
- Spastic colitis A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Meatus, female urethral The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- NINR The National Institute of Nursing Research, one of the National Institutes of Health
- Shock, toxic See Syndrome, toxic shock.
- Allograft The transplant of an organ or tissue from one individual to another of the same species with a different…
- CALLA Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
- Xenobiotic Natural substances that are foreign to the body
- Nucleus, caudate See: Caudate nucleus