Replica Human Atlas and Axis Options:Assembled This skull is based on

This skull is based on a male that was roughly between 6-1/2 to 9 years of age

The skull reflects these primitive traits in that it is flattened over all and the auditory bullae

Known as the common or green iguana

The skulls available in this set represent many animals which were trapped by early pioneers during civilization's westward movement

Replica Human Atlas and Axis Options:Assembled This skull is based onThe atlas is the first cervical (neck) vertebra which is just under the skull. This bone gets its name from Atlas, the Greek god who supported the world on his shoulders. The axis is the second cervical vertebra and has what is called the odontoid process about which the atlas rotates. This replica set of a human atlas and axis would make a great addition to a doctor's office or anatomy classroom. Specifications: The "Assembled" set is wired together