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).
Beta particle
An electron ejected from the nucleus of a decaying atom. Although beta particles can be stopped by a thin sheet of aluminum, they can penetrate the dead skin layer, potentially causing burns. They can pose a serious direct or external…
Read the definitionRandom terms
Show more- Pelvis, male See: Male pelvis
- Wilms tumor An inherited disorder in which too much copper accumulates in the body. Although the accumulation of copper…
- Osteology The study of bones. The branch of anatomy or physical anthropology that deals with bones. Bone-ology
- Achondrogenesis A genetic disorder of bonwe resulting in short-limbed dwarfism. There are a number of different types of…
- Essential 1. Something that cannot be done without.2. Required in the diet, because the body cannot make it. As in an…
- Child urine infection See: Urinary tract infection in children
- Transplant, corneal See: Corneal transplant
- ET Street name for alpha-ethyltryptamine
- Opioid 1. A synthetic narcotic that resembles the naturally occurring opiates. 2. Any substance that binds to or…
- Wegener's granulomatosis Wegener's granulomatosis: An uncommon type of inflammation of small arteries and veins (vasculitis) that…
- Alcohol poisoning A condition in which a toxic amount of alcohol (ethanol, ethyl alcohol) has been drunk, usually in a short…
- Disorder, central auditory processing A condition in which there is an inability to differentiate, recognize or understand sounds while both the…