The striatum, also known as the neostriatum or striate nucleus, is a subcortical part of the forebrain and a critical component of the reward system. It receives glutamatergic and dopaminergic inputs from different sources and serves as the primary input to the rest of the basal ganglia system.
Spinal Nerves Overview in the Human Body. There are 31 pairs of spinal nerves. Each containing thousands of nerve fibers. They supply all areas of the body except the head and some areas of the neck. Below is a breakdown of the number of spinal nerves in each area of the spine. 8 pairs of cervical spinal nerves C1 â C8.
A spinal nerve is any of the 31 pairs of nerves that arise from the spinal cord. The spinal nerves correspond to where it emerges and passes through the spinal vertebrae: there are 8 cervical (neck), 12 thoracic (chest), 5 lumbar (lower back), 5 sacral (sacrum bone) and one coccygeal (tailbone) nerve(s).he spinal cord is contained in the center cavity of the vertebral column (back bone) which protects the spinal cord from injury. It has an inner mass of gray matter and an outer covering of white matter. It carries messages that coordinate movement and sensation.