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a prefix meaning “within,” used in the formation of compound words:
[ahb in-trah; English ab in-truh] /ɑb ˈɪn trɑ; English æb ˈɪn trə/
adverb, Latin.
from inside; from within.
[in-trah moo-rohs; English in-truh myoo r-ohs] /ˈɪn trɑ ˈmu roʊs; English ˈɪn trə ˈmyʊər oʊs/
adverb, Latin.
within the walls, as of a city.
within; inside: intravenous

word-forming element meaning “within, inside, on the inside,” from Latin intra “on the inside, within,” related to inter “between,” from PIE *en-t(e)ro-, from root *en “in” (see in). Commonly opposed to extra-, but the use of intra as a prefix was rare in classical Latin.

intra- pref.
Within: intramedullary.
A prefix meaning “inside” or “within,” as in intravenous, within a vein.


Read Also:

  • Intra-abdominal

    [in-truh-ab-dom-uh-nl] /ˌɪn trə æbˈdɒm ə nl/ adjective, Anatomy. 1. being within the abdomen. 2. going into the abdomen, as an injection.

  • Intra-aortic balloon device

    intra-aortic balloon device in·tra-a·or·tic balloon device (ĭn’trə-ā-ôr’tĭk) n. An inflatable balloon placed into the descending aorta to assist the heart in pumping blood.

  • Intra-aortic balloon pump

    intra-aortic balloon pump n. A pump connected to a balloon device that is inserted into the descending aorta to provide temporary assistance to the heart in the management of left ventricular failure.

  • Intra-arterial

    intra-arterial in·tra-ar·te·ri·al (ĭn’trə-är-tēr’ē-əl) adj. Within arteries or an artery.

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