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).
Percutaneous endoscopic gastrostomy (PEG)
Percutaneous endoscopic gastrostomy (PEG): A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on the abdomen). The aim of PEG is to feed those who cannot swallow. PEG may be done by a…
Read the definitionRandom terms
Show more- Mammogram, screening See: Screening mammogram
- Fear of vomiting An abnormal and persistent fear of vomiting. Sufferers of this fear experience undue anxiety even though they…
- Internal cardiac defibrillator A device put within the body that is designed to recognize certain types of abnormal heart rhythms…
- Transverse myelitis A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally…
- Epidermal growth factor EGF
- White matter The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…
- Trichomoniasis Trichomoniasis: Infection with trichomonas, in humans with Trichomonas vaginalis.
- Gingiva The gum
- Megabase Unit of length for DNA fragments that is equal to 1 million nucleotides. A megabase (Mb) is roughly equal to…
- Salter-Harris fracture A traumatic fracture around or through the growth plate (the epiphyseal plate) of a bone in a child
- Achondrogenesis A genetic disorder of bonwe resulting in short-limbed dwarfism. There are a number of different types of…
- Pontiac fever A flu-like illness caused by the bacterium Legionella pneumophila contracted by breathing mist that comes…