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).
Tube, NG
An NG (nasogastric) tube is one that is passed through the nose (via the nasopharynx and esophagus) down into the stomach. An NG tube is a flexible tube made of rubber or plastic and has bidirectional potential. A nasogastric tube can thus…
Read the definitionRandom terms
Show more- Counter, Geiger See: Geiger counter
- Von Hippel-Lindau syndrome A genetic disease characterized by: > >hemangioblastomas (benign blood vessel tumors) in the brain, spinal…
- Obsessive-compulsive disorder A personality disorder characterized by a pervasive preoccupation with orderliness, perfectionism, and…
- Chloropicrin A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Syndrome, Coffin-Lowry An X-linked form of mental retardation in which the affected males have short stature and characteristic…
- In situ In the normal location. An 'in situ' tumor is one that is confined to its site of origin and has not invaded…
- Optician A specialist in fitting eyeglasses and making lenses to correct vision problems. An optometrist performs eye…
- Crypt In anatomy, a crypt is variously a blind alley, a tube with no exit, a depression, or a pit -- in an…
- Epigenetic Something that affects a cell, organ or individual without directly affecting its DNA. An epigenetic change…
- Deficiency, FAO Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Gonad, male The male gonad, the testicle (or testis), located behind the penis in a pouch of skin (the scrotum). The…
- Myoglobin The pigment in muscle that carries oxygen.