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).
Drug, antibiotic
A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually…
Read the definitionRandom terms
Show more- Ponto- Pertaining to the pons, a structure in the brain
- Hip pointer Sportstalk for an iliac crest contusion (a bruise of the upper edge of the ilium, one of the hip bones).
- Histiocytosis, sinus A variant of histiocytosis in which the lymph nodes are the main site of histiocyte proliferation. The…
- Hemizygous Having only a single copy of a gene instead of the customary two copies. All of the gene on the single X…
- Synovial sarcoma A malignant sarcoma of soft tissue that arises near but not in a joint, most often in an adolescent or young…
- Down syndrome Down syndrome: A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome…
- Stereotactic radiotherapy Radiation therapy in which a number of precisely aimed beams of ionizing radiation coming from different…
- CABG, off-pump See: Off-pump CABG
- Nurse, licensed vocational A nurse who has completed a one- or two-year training program in health care and earned a state license. LVNs…
- Reading frame, open See: Open reading frame
- Association of American Medical Colleges The AAMC is a nonprofit association of the 125 accredited U.S. medical schools; the 16 accredited Canadian…
- Third ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…