Meaning & use

intramuscular

adjective·Advancedmedical

Last updated

UK/ˌɪntrəˈmʌskjələ/
US/ˌɪntrəˈmʌskjələr/

Meanings

  1. adjectivebefore a nounmedical

    Given by injection directly into a muscle.

    Grammar: Used before a noun: intramuscular injection, intramuscular route.

    Patterns

    • intramuscular injection
    • intramuscular route
    • intramuscularly

    The nurse gave the vaccine as an intramuscular injection in the upper arm.

    Intramuscular injections are absorbed faster than some other types.

    The doctor chose the intramuscular route for the antibiotic.

  2. adjectivebefore a nounmedicalbiology

    Situated or occurring inside a muscle.

    Grammar: Used before a noun: intramuscular fat, intramuscular tissue.

    Patterns

    • intramuscular fat
    • intramuscular tissue

    The scan showed a small amount of intramuscular fat.

    Intramuscular bleeding can cause pain and swelling.

Common combinations

intramuscular injection
She received an intramuscular injection of the vaccine.
intramuscular route
The intramuscular route is often used for antibiotics.
intramuscular fat
Marbling in beef is intramuscular fat.
intramuscularly
The drug was administered intramuscularly.

Synonyms and how they differ

IM
The common abbreviation in medical notes; it is not used in formal writing.

Opposites

intravenoussubcutaneous

Word family

intramuscularly adverb
In a way that goes into a muscle, as in 'given intramuscularly'.

Commonly confused: intramuscular or intravenous?

intramuscular vs intravenous

Intravenous means into a vein, while intramuscular means into a muscle. They describe different injection routes.

Practice

A nurse gives a patient an intramuscular injection. Where does the needle go?

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