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.
However, many fans can recall that shows do not get cancelled because of ratings alone. According to the publication, Blue Bloods Season 7 may be its last or close to the finale because the production for the series can get a bit too pricey. Advertisement.