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.
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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).
Endoscopic gastrostomy, percutaneous (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 surgeon, otolaryngologist (ENT specialist)…
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Show more- Borrelia A group of bacteria that are helical spirochetes of the genus Borrelia. Some species of Borrelia cause…
- General Clinical Research Center (Abbreviated GCRC). See: Clinical Research Center
- Leishmania A group of parasites causing a disease called leishmaniasis. For a fuller definition and more information…
- Frame, reading See: Reading frame
- Interatrial septum The partition separating the upper chambers (the atria) of the heart
- Atlas The atlas is the first cervical (neck) vertebra (symbol: C1). It supports the head. The atlas bone is named…
- Syndrome, Alexander See: Alexander disease
- D (domain) Abbreviation for domain, a discrete portion of a protein with its own function. The combination of domains in…
- Coarctation of the aorta A congenital constriction of the aorta, impeding the flow of blood below the level of the constriction and…
- Cataract, supranuclear A cataract just above the center (the nucleus) of the lens. See: Cataract
- Pregnant The state of carrying a developing fetus within the body. The word 'pregnant' comes from the Latin pre-…
- Agenesis of the gallbladder This is a condition in which the gallbladder fails to develop. This happens in approximately one out of every…