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Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news.
- Encyclopedia
Encyclopedia. Containing over 100,000 terms,...
- ROM
range [rānj] 1. the difference between the upper and lower...
- Crepitation
crepitation 'Crunching' of tissue caused by presence of gas,...
- Cardiology
A. APC, or atrial premature complex (or beat) is a beat that...
- Immunity
immunity [ĭ-mu´nĭ-te] the condition of being immune; the...
- Hyperlipidemia
Although it is responsible for a considerable portion of...
- Asepsis
asepsis: [ a-sep´sis ] 1. freedom from infection or...
- ESR
ESR: [ ĕ-rith´ro-sīt ] one of the formed elements in the...
- Acyclovir
Indications and dosages Acute treatment of herpes zoster...
- Acronyms
Acronyms and Abbreviations. The Acronyms section of this...
- Encyclopedia
Medical Dictionary. Search medical terms and abbreviations with the most up-to-date and comprehensive medical dictionary from the reference experts at Merriam-Webster. Master today's medical vocabulary. Become an informed health-care consumer!
Definitions of medical terms from leading medical institutions. Includes thousands of illustrations, phonetic pronunciations, and related terms.
- Basic Term Structure
- Word Roots
- Prefixes
- Suffixes
Medical terms are composed of these standard word parts: 1. Prefix:When included, the prefix appears at the beginning of a medical term and usually indicates a location, direction, type, quality, or quantity. 2. Root:The root gives a term its essential meaning. Nearly all medical terms contain at least one root. When a prefix is absent, the term be...
A root is the foundational element of any medical term. Roots often indicate a body part or system. Common word roots: Compound Words A medical word may include multiple roots. This frequently occurs when referencing more than one body part or system. For example, cardio-pulmo-nary means pertaining to the heart and lungs; gastro-entero-logy means t...
A prefix modifies the meaning of the word root. It may indicate a location, type, quality, body category, or quantity. Prefixes are optional and do not appear in all medical terms. Common prefixes:
Medical terms always end with a suffix.3The suffix usually indicates a specialty, test, procedure, function, condition/disorder, or status. For example, “itis” means inflammation and “ectomy” means removal. Alternatively, the suffix may simply make the word a noun or adjective. For example, the endings -a, -e, -um, and -us are commonly used to crea...
- carci
- electr
- chem
- therm
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The use of certain abbreviations can be dangerous and lead to patient injury or death. Examples of error-prone medical abbreviations include: IU (international unit): may be confused with “IV” (intravenous) µg (microgram): may be confused with mg (milligram) U (unit): may be mistaken for “0” (zero), increasing the dose tenfold.
MedTerms™. Medical Term (medical dictionary) is the medical terminology for MedicineNet.com. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. Medical Term online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive ...
Medical terminology is the language of healthcare. It’s the means for healthcare professionals to confer on the intricacies of the human body, both in states of health and states of injury or disease. As such, medical terminology comprises the lexicon of labels for all known anatomical features, physiological processes, and medical ...
