Full-size model features the brain stem, occipital bone, atlas and axis through C7, with herniated disc, T1 and T3.
This model has a soft cerebellum, full nerve with the right side brachial plexus.
Muscles include sub-occipital triangle, longus capitis, levator scapulae and scalenus medius posterior and anterior.
The right first and second ribs are also featured and include cartilage.