Back Pain Involving the Body's Longest Nerve
This page is the CodyCross answer for the clue below from Brazilian Tour, Group 767, Puzzle 2 (Praça Dos Três Poderes).
Question is: Back Pain Involving the Body's Longest Nerve
and the answer is: SCIATICA
Word Meaning:
SCIATICA — (pathology, neurology) Neuralgia of the sciatic nerve, characterised by pain radiating down through the buttocks and the back of the thigh.
Definitions from Wiktionary.