You searched for: “lumbosacral trunks
lumbosacral trunk (s) (noun), lumbosacral trunks (pl)
The main part of the fourth and all of he fifth lumbar spinal nerves: "These nerves of the lumbosacral trunk accompany part of the first, second, and third sacral nerves to form the sciatic nerve."
This entry is located in the following unit: trunc-, truncat- (page 1)