The objective of this report is to present a standardized nomenclature system for radiographic projections used in veterinary medicine that is anatomically accurate, easily understood, and easily communicated. The system is based on two simple rules: (1) radiographic projections should be named using only proper veterinary anatomic directional terms or their abbrecviations; (2) radiographic projections should be described by the direction that the central ray of the primary x‐ray beam penetrates the body part of interest, from point of entrance to point of exit. Additional recommendations are included that will result in further standardization of the nomenclature. These include supplemental guidelines for (1) combination of terms; (2) angles of obliquity; (3) positions of the body; and (4) orientation of the central ray relative to space. In addition, the position of joints and other body parts may require description. Selected examples of how the nomenclature system can be applied are included. It is recommended that this nomenclature be required by editors of veterinary journals and textbooks.
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Smallwood et al. (1985) studied this question.