Abdomen & Pelvis · NEET PG Preparation Anatomy
A 60-year-old man undergoes a low anterior resection for rectal carcinoma. During the dissection of the pelvis, the surgeon is extremely careful to a…
Practice question from Abdomen & Pelvis (NEET PG Preparation Anatomy), with the correct answer and a step-by-step solution.
hard · MCQ · Q-6BEA34
A 60-year-old man undergoes a low anterior resection for rectal carcinoma. During the dissection of the pelvis, the surgeon is extremely careful to avoid injuring the pelvic splanchnic nerves. These nerves originate from which of the following spinal cord segments?
- A.T11-L2
- B.S2-S4Correct answer
- C.L1-L3
- D.C5-T1
Solution
The pelvic splanchnic nerves carry parasympathetic fibers and originate from the S2, S3, and S4 spinal cord segments. They provide secretomotor and motor innervation to the hindgut and pelvic viscera.
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