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[ik-strin-sik, -zik] /ɪkˈstrɪn sɪk, -zɪk/

not essential or inherent; not a basic part or quality; extraneous:
facts that are extrinsic to the matter under discussion.
being outside a thing; outward or external; operating or coming from without:
extrinsic influences.
Anatomy. (of certain muscles, nerves, etc.) originating outside the anatomical limits of a part.
not contained or included within; extraneous
originating or acting from outside; external

1540s, from French extrinsèque, from Late Latin extrinsecus (adj.), from Latin extrinsecus (adv.) “outwardly,” from exter “outside” + in, suffix of locality, + secus “beside, alongside,” originally “following” (related to sequi “to follow;” see sequel).

extrinsic ex·trin·sic (ĭk-strĭn’sĭk, -zĭk)
Of or relating to an organ or a structure, especially a muscle, originating outside of the part where it is found or upon which it acts; adventitious.
ex·trin’si·cal·ly adv.


Read Also:

  • Extrinsic-eye-muscle

    noun, Anatomy. 1. any of six small muscles that control the horizontal, vertical, and rotating movements of the eyeball.

  • Extrinsic-factor

    noun, Biochemistry. 1. . extrinsic factor n. See vitamin B12.

  • Extrinsic incubation period

    extrinsic incubation period n. The interval between the acquisition of an infectious agent by a vector and the vector’s ability to transmit the agent to other susceptible vertebrate hosts.

  • Extrinsic sphincter

    extrinsic sphincter n. A sphincter formed by circular muscular fibers extraneous to the organ.

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