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- Pachydactyly Thick fingers or toes. A feature, for example, of neurofibromatosis. From the Greek pachys, thick + daktylos…
- Acrocentric chromosome A chromosome (one of the microscopically visible carriers of the genetic material DNA) with its centromere…
- Cranial nerve, fourth The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Fire gilding A perilous process for gold-plating in which an amalgam of mercury and gold is applied to an object and then…
- Hallux varus An inward bending (varus) of the joint of the big toe (the hallux).
- Essential fatty acid An unsaturated fatty acid that is essential to human health, but cannot be manufactured in the body. There…
- Infection, Vincent This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Pleonasm An excess in the number of parts or in the size of a growth. Pleonasm comes from a Greek word (pleonasmos)…
- Infantile systemic hyalinosis A genetic disorder characterized at birth or soon afterwards by painful swollen joint contractures and red…
- Lymphoproliferative Referring to the proliferation of the bone marrow cells that give rise to lymphoid cells (such as lymphocytes…
- Osmolarity The concentration of osmotically active particles in solution, which may be quantitatively expressed in…
- Mucous Pertaining to mucus, a thick fluid produced by the lining of some tissues of the body. 'Mucus' without an 'o'…