lumbosacral

[ luhm-boh-sey-kruh l, ‐sak-ruh l ]

/ ˌlʌm boʊˈseɪ krəl, ‐ˈsæk rəl /

of, relating to, or involving the lumbar and sacral regions or parts of the body.

Also sa·cro·lum·bar [sey-kroh-luhm-ber, -bahr, sak-roh-] /ˌseɪ kroʊˈlʌm bər, -bɑr, ˌsæk roʊ-/.

Origin of lumbosacral

First recorded in 1830–40; lumbo- + sacral²

The lumbosacral plexus, femoral nerve, sciatic nerve, and tibial nerve all showed numerous individual variations.

Variation in the Muscles and Nerves of the Leg in |E. Bruce Holmes
The lumbosacral plexus and nerves of the leg in several specimens that show variations are illustrated.

Variation in the Muscles and Nerves of the Leg in |E. Bruce Holmes
Wilcox gave the innervation of the muscles of Gavia immer, but did not include the lumbosacral plexus.

Variation in the Muscles and Nerves of the Leg in |E. Bruce Holmes
Howell listed the innervation of the hip and thigh muscles in the chicken; he did not include the lumbosacral plexus.

Variation in the Muscles and Nerves of the Leg in |E. Bruce Holmes

Boas described the lumbosacral plexus in a large number of birds.

Variation in the Muscles and Nerves of the Leg in |E. Bruce Holmes

lumbosacral

[ lŭm′bō-sā′krəl ]

Relating to the lumbar vertebrae and the sacrum.