Epi- (prefix)
A prefix taken from the Greek that means "on, upon, at, by, near, over, on top of, toward, against, among." Epi- is the prefix for many medical terms such as: epicanthal fold (a fold of skin that comes down across the inner angle, the canthus, of the eye; epicardium (a layer of fibrous tissue that surrounds the heart and the roots of the great blood vessels); episclera (a thin membrane on top of the sclera, the white of the eye); epidural anesthetic (an anesthetic injected into the epidural space surrounding the fluid-filled sac, called the dura, around the spine which partially numbs the abdomen and legs); etc.

Medical dictionary. 2011.

Look at other dictionaries:

  • epi- — prefix meaning on, upon, above, also in addition to; toward, among, from Gk. epi upon, at, close upon (in space or time), on the occasion of, in addition, from PIE *epi, *opi near, at, against (Cf. Skt. api also, besides; Avestan aipi also, to,… …   Etymology dictionary

  • epi, opi, pi —     epi, opi, pi     English meaning: at, by     Deutsche Übersetzung: “nahe hinzu, auf darauf, auf hin”, zeitlich “in addition, darauf, örtlich “hinter, after” (also “bei etwas herunter”? so partly die Gmc. forms)     Note: (also with lengthened …   Proto-Indo-European etymological dictionary

  • EPI — is an acronym or initialism that may mean one of the following: * Economic Policy Institute, an American thinktank organisation. * European Patent Institute, the professional association of European patent attorneys. * EuroProp International,… …   Wikipedia

  • epi- — or ep or eph [ep′i, ep′ə] [< Gr epi, at, on, to, upon, over, besides < IE base * epi > Sans ápi, L ob] prefix on, upon, over, on the outside, anterior, beside, besides, among: it becomes EP before a vowel and, as EPH , reflects original… …   English World dictionary

  • Epi- — Ep i [Gr. epi on, upon, to; akin to Skr. api besides, and prob. to L. ob to, before, on account of, and perh. to E. of, off.] A prefix, meaning upon, beside, among, on the outside, above, over. It becomes ep before a vowel, as in epoch, and eph… …   The Collaborative International Dictionary of English

  • epi- — (also ep ) ► PREFIX 1) upon: epigraph. 2) above: epidermis. 3) in addition: epiphenomenon. ORIGIN from Greek epi …   English terms dictionary

  • epi- — Prefix indicating something on, above or near. Epi illumination is from above, epithelia cover (are on top of) other tissues …   Dictionary of molecular biology

  • EPI- — prefix (usu. ep before a vowel or h) 1 upon (epicycle). 2 above (epicotyl). 3 in addition (epiphenomenon). Etymology: Gk epi (prep.) …   Useful english dictionary

  • epi- — (prefix) upon, on the surface of, above …   Dictionary of ichthyology

  • epi- — prefix denoting above or upon …   The new mediacal dictionary

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