from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Within a muscle: an intramuscular injection.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Inside a muscle or the muscles.
from The Century Dictionary and Cyclopedia
- Located or occurring within a muscle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. within a muscle
From Late Latin intramuscularis, from prefix intra-, within, + musculum, muscle, diminutive of muscus, mouse, + adjective suffix -alis (Wiktionary)