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).
Perionychium
The tissue surrounding the nail, whether it be a fingernail or a toenail, including the tissue bordering the root and sides of the nail. The word is composed of 'peri-' meaning around or surrounding + the Greek word 'onyx' for nail =…
Read the definitionRandom terms
Show more- Focal Pertaining to a focus which in medicine may refer to:1. The point at which rays converge as, for example, in…
- Vallecula An anatomic term for a crevice, furrow or depression. There are a variety of valleculae including one in the…
- Ultraviolet A One of the three types of invisible light rays (together with ultraviolet B and ultraviolet C) given off by…
- T4 Thyroxine, a thyroid hormone. The number 4 is sometimes in subscript
- TAR syndrome TAR stands for Thrombocytopenia (low blood platelets) and Aplasia (absence) of the Radius (the long bone on…
- Copy number polymorphism Abbreviated CNP. A normal variation in DNA due to variation in the number of copies of a sequence within the…
- Neonatal intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a newborn…
- Arteriovenous malformation Dth='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our…
- Type 2 myotonic dystrophy See: Myotonic dystrophy type 2
- Failure, heart Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump…
- Gerstmann-Straussler-Scheinker syndrome A rare familial form of progressive dementia inherited in an autosomal dominant manner due to a mutant prion…
- Vitamin B6 A group of closely related chemical compounds with related names -- pyridoxine, pyridoxal and pyridoxamine --…