Veterinary Gross Anatomy-II

PARAVERTEBRAL NERVE BLOCK

Illustration

• The nerve supply to the flank region is by thirteenth thoracic and first and second lumbar spinal nerves.
• Each nerve has dorsal and ventral branches. The dorsal branch supplies to the muscles of the loin.
• The ventral branch supplies to the skin, abdominal muscles and peritoneum.
• In addition to ventral cutaneous of these 3^rd lumbar spinal nerve also supplies to the flank region.

Site

• The last thoracic nerve is blocked about 5 to 6 cm lateral to the mid dorsal line at a point behind the level of the last rib.
• The sites for blocking the first three lumbar nerves are 5 to 6 cm lateral to mid dorsal line and behind the transverse process of first three lumbar vertebrae respectively. Click here to know more...