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intramuscular

American  
[in-truh-muhs-kyuh-ler] / ˌɪn trəˈmʌs kjə lər /

adjective

  1. located or occurring within a muscle.


intramuscular British  
/ ˌɪntrəˈmʌskjʊlə /

adjective

  1. Abbreviation (esp of an injection): IM, i.m. anatomy within a muscle

    an intramuscular injection

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of intramuscular

First recorded in 1870–75; intra- + muscular


Vocabulary lists containing intramuscular

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The improvement held true across different delivery methods -- intramuscular, intratracheal, and intravenous -- and worked regardless of the specific nanoparticle design or genetic material being delivered.

From Science Daily ● Apr. 20, 2026

Food & Drug Administration can take steps to extend over-the-counter designation to generic intramuscular naloxone — the most common and the cheapest form of this life-saving medication.

From Salon ● Jul. 21, 2023

Last year researchers at the National Institutes of Health conducted a side-by-side comparison of intranasal and intramuscular delivery of the Oxford-AstraZeneca vaccine.

From Scientific American ● May 3, 2022

Food and Drug Administration in December approved an antibody drug from AstraZeneca that is given through intramuscular injection and gives “long-lasting” protection to immunocompromised persons prior to infection.

From Washington Times ● Jan. 12, 2022

In two cases Dejerine reports finding changes in the intramuscular nerves, such as liquefaction of myelin and loss of axis cylinders.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

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