The postganglionic fibers that connect an autonomic ganglion in the thoracic or lumbar region with the spinal nerve and contain postganglionic fibers that innervate glands in the body wall or smooth muscles in limbs are

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Gray rami communicantes connect the autonomic ganglia in the thoracic or lumbar regions with the spinal nerves and contain postganglionic fibers that innervate glands in the body wall or smooth muscles in limbs. White rami communicantes are the preganglionic fibers that connect the spinal nerve with the ganglia. Dorsal and ventral rami refer to branches of the spinal nerves that innervate specific regions of the body. Dermatomes are areas of skin innervated by a specific spinal nerve.

The Postganglionic Fibers That Connect an Autonomic Ganglion in the Thoracic