In a standard imaging coordinate system, which axis is used to represent depth (distance from the transducer face)?

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Multiple Choice

In a standard imaging coordinate system, which axis is used to represent depth (distance from the transducer face)?

Explanation:
Depth is the distance into the body from the transducer face, and in a standard imaging coordinate frame that direction is along the Z axis, which runs perpendicular to the probe surface and into the patient. The X axis handles left–right positioning, the Y axis handles up–down on the image plane, and the W axis isn’t used in this typical imaging coordinate system. So, depth is represented by the Z axis.

Depth is the distance into the body from the transducer face, and in a standard imaging coordinate frame that direction is along the Z axis, which runs perpendicular to the probe surface and into the patient. The X axis handles left–right positioning, the Y axis handles up–down on the image plane, and the W axis isn’t used in this typical imaging coordinate system. So, depth is represented by the Z axis.

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