Which of the following nerves provides sensory innervation for the lower ureters?

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Study for the UCF ZOO3733C Human Anatomy Test 4. Prepare with multiple choice questions, flashcards, and get explanations for each question. Ace your exam!

The response indicating that the segment from T12 to L2 provides sensory innervation for the lower ureters is accurate because the lower ureters receive visceral sensory fibers that travel from these spinal cord segments. Specifically, these fibers are part of the sympathetic innervation pathway, which relays sensation such as pain from the lower urinary tract to the central nervous system.

The nerve roots from T12 to L2 provide sympathetic output primarily through the lumbar splanchnic nerves, which innervate the lower ureters and contribute to sensations from this area, including pain associated with conditions like kidney stones. This relationship supports the idea that any stimuli or pathological changes occurring in the lower ureters would be communicated to the spinal cord primarily through these levels, hence establishing the correct sensory innervation route.

Understanding the roles of different nerves is crucial when considering the autonomic and sensory pathways of the body, especially in relation to the abdomen and pelvis.