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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 ?
The expert discographer is a research practitioner whose efforts are grounded in solid librarianship and a desire for standardization.
The traditional discographer found the date of a recording session to be of more value than its release or issue date.
In a detailed article nearly ten years ago, discographer Tim Brooks stressed the importance of documenting the sources of discographical information.
Raben's reputation as a meticulous, authoritative, and definitive discographer has scholars eagerly awaiting each installment, which have been very slow in coming.
Early Caruso discographers, including Favia-Artsay and Bolig in his 1973 book, dated the Zonophone discs and Anglo-Italian Commerce Company cylinders to 1901.
Furthermore, the discographers refer to recordings that fall outside the established parameters, "i.
Rainer Lotz is the rugged individualist of discographers.
Even veteran discographers need to be reminded that Milt Gabler (Commodore records) had a habit of assigning matrix numbers based on his first and second preferences rather than on chronological sequence.
Unlike most discographers, the authors offer sometimes exhaustive com mentary on the recordings, particularly on the technical and documentation problems for which Smith was notorious.
The 28 May 1930 session date assigned by the discographers is too specific and perhaps too early.
This is a highly sensible approach and one that other discographers should consider, particularly since even modest personal computer database programs allow generation of reports in a variety of formats.
All in all, the Handbook is a noteworthy effort and should be indispensable to anyone involved with the performance or programming of orchestral music, including program annotators, orchestra managers, librarians, arts administrators, conductors, musicians, broadcasters, discographers, and choral groups.