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.
originate in brain and spinal cord and have cranial AND spinal branches. Each cranial branch joins a vagus nerve and carries impulses to muscles of soft palate, pharynx & larynx. Spinal branch descends into neck & supplies motor fibers to trapezius and sternoclediomastoid. hypoglossal.