This human 3d brain model set consists of 305 parts,
there are several added "cuts" (vertically along the innermost part of the medulla,
cerebellum and also the cortex),
you do not *need* to use them but they come in handy -
you have all nerve kernels in detail, be it the raphes nuclei, the subthalamic ones
or the amygdaloids.
Indeed, much emphasis was laid on the inner parts of the 3d brain, brain stem and cerebellum -
with most detail in the structures, while employing textures wherever necessary.
The cortex comes in two issues, a "massive" one and one consisting of functional cortical areas - which can be moved and manipulated easily. The brain nerves are also part of the set, emanating exactly from the right origins. This most elaborate 3d central nervous system available planetwide breaks earlier limits and fits snugly into the skull and the rest of the P1 set.
No need to say, the medulla fits into the 3d spine and leads downwards to the sacrum... while the vegetative nervous system also spreads downwards, and the facial nerves are where they belong - outside the 3d brain but inside the 3d skull, a tight and exact fit.