Posterior in the PNS means which direction?

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Multiple Choice

Posterior in the PNS means which direction?

Explanation:
In neuroanatomy, directional terms depend on the axis you’re using. For the peripheral nervous system, posterior is described as the tailward direction along the body’s long axis. So moving from the head toward the bottom, toward the end of the spinal column and toward the coccyx, you’re heading caudally or tailward—that’s the posterior direction in this context. The other options map to cranial/superior (toward the top), dorsal/back (toward the back), or medial (toward the middle), which aren’t what posterior denotes here.

In neuroanatomy, directional terms depend on the axis you’re using. For the peripheral nervous system, posterior is described as the tailward direction along the body’s long axis. So moving from the head toward the bottom, toward the end of the spinal column and toward the coccyx, you’re heading caudally or tailward—that’s the posterior direction in this context. The other options map to cranial/superior (toward the top), dorsal/back (toward the back), or medial (toward the middle), which aren’t what posterior denotes here.

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