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.
Though BBC has cancelled Atlantis and In the Flesh, the broadcaster has decided to renew The Musketeers for a third season. The program airs on BBC America in the United States. Three episodes of the second season have aired on Saturday nights so far.