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C1

C1

1 8.6
A large envelope measuring 648 by 917 millimetres
  • noun
  • Specialized
: C1
  • How can one specify and delineate contexts and then determine whether or not C1, C2, or C3 are proportionately related (congruous)?

Examples

  • Grisel's syndrome is a rare but well-documented clinical entity. It is a nontraumatic, fixed rotary subluxation of C1 on C2 (atlantoaxial).

    Academic text (2004)
  • Three-dimensional computer-generated reconstructions derived from the CT scans of this patient were obtained, which further illustrate the C1-C2 subluxation (Figure 2).

    Academic text (2004)
  • Axial CT scan shows rotary C1-C2 subluxation, type 2.

    Academic text (2004)
  • The plastic-resin model reconstructed from CT scans of our patient shows rotary subluxation of C1 on C2.

    Academic text (2004)
  • Among the four cases for which Cause 1, i.e., "earnings management or fraudulent reporting by the client's executive management," is the correct answer (cases C1-C4), his probability revision is large and consistent for all four cases (see Panel A, Figure 4).

    Academic text (2004)
  • For types 3 and 4 subluxation, which are less stable, more invasive treatment is indicated (i.e., halo immobilization, C1-C2 fusion, arthrodesis, etc.).

    Academic text (2004)
  • Finally, children who are most frequently affected by Grisel's syndrome have a known preexisting laxity of the stabilizing ligaments of C1 and C2, specifically the transverse ligament.

    Academic text (2004)
  • Contrast computed tomography (CT) of the neck revealed a significant C1-C2 rotary subluxation (figure 1), consistent with a Fielding's type 2 rotary subluxation.

    Academic text (2004)
  • The dimensions of a standard C1 envelope are 648 x 917 millimeters, making it suitable for large documents.

  • When sending a poster, I made sure to use a proper C1 envelope that fits its size perfectly.

How Big

C0
  • Specialized
8.5
C1
  • Specialized
1 8.6
C2
  • Specialized
1 8.2

Surface Forms

C1 singular
C1s plural

Etymology

C1 for the envelope comes from the international paper-size system where C marks the envelope series and the number shows the size. A C1 envelope is made to hold an A1 sheet without folding, which is why it is so large.