The pars compacta is a portion of the substantia nigra, located in the midbrain. It is formed by dopaminergic neurons and located medial to pars reticulata. Parkinson's disease is characterized by the death of dopaminergic neurons in this region.[1]
The Musketeers Cancelled After Three Seasons By BBC One. BBC Oneâs The Musketeers will draw to a close with a third and final series,Digital Spy can exclusively reveal. A third series was first announced way back in February 2015 â but it has now been confirmed that the next 10 episodes will bring the swashbuckling show to an end.
Brickleberry Cancelled By Comedy Central. The Daniel Tosh-produced animated comedy Brickleberry will not be renewed for a fourth season, Comedy Central announced today. The just-ended third season will be its last. The series, which has been a big hit with men under 24, nevertheless took a 25% hit in ratings in its third season, which ended in November.