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radiography of the vertebral column after injection of radiopaque material into an intervertebral disk.


Historically, radiographic demonstration of intervertebral disk by injection of contrast media into the nucleus pulposus.
[disco- + G. graphō, to write]


, discography (dis-kog′ră-fē) [ disk + -graphy]
Use of a contrast medium injected into an intervertebral disk so that it can be examined radiographically.


Diskography may increase the risk of disk degeneration and herniation.
References in periodicals archive ?
While all of these resources contribute mightily to understanding the influence and cultural significance of a given recording, substantial gaps remain in the discographic record unless one can obtain and assess the recordings themselves.
It includes detailed liner notes along with some of the source recordings the Ramblers used and discographic details for all by Ray Allen.
For the purpose of clarity, this article is divided into three sections: (1) a brief introduction to the history of art music in Nigeria; (2) a concise discussion of three generations of music composition in Nigeria; and (3) an extensive bibliography of Nigerian art music comprised of articles, books, and discographic materials.
In the case of many releases from the 1960s and 1970s, the discographic information is necessarily incomplete; the reggae record industry has always been characterized by ephemeral business enterprises and the loosest imaginable enforcement of copyright law, leading to multiple releases of most significant albums, many of them of dubious legitimacy.
there is a strong suggestion that the author's discographic interests in the music of Bach are basically mainstream.
Gracyk and Hoffmann successfully avoid providing too much discographic esoterica that can be found elsewhere and instead strive for readability and providing historical Context that discographies lack.
With the exception of an introduction and opening note in German (less than one page each), the entire volume consists of straightforward discographic entries, readable by anyone who is musically literate.
128-30); abbreviations are usually obvious in their meaning, and the copious information provided includes alternative titles, duration, incipits for the two versions of the piece, details of first performances and recordings, and bibliographic and discographic references.
For each work, Drucker provides the date of composition, duration, publisher, and dedication; he also lists one or two libraries owning a copy and provides discographic information.
Basing his research on the business records of Dial founder Ross Russell (now housed at the University of Texas at Austin) and on personal contact with Russell and Tony Williams (owner of Spotlight Records, whose reissue efforts have kept these recordings in print through the LP and now into the CD era), Komara has compiled the definitive discographic statement on Parker's Dial material.
In a handful of entries, Craggs also cites a few available recordings of film scores, yet this discographic information is so meager that one wonders why he included it at all.