Necturus Trunk Vertebrae Descriptions/Definitions
a. Prezygopophysis- a projection off of the neurapophysis that articulates with the postzygapophysis on another vertebra; prevents torsion and increases load-bearing abilities
b. Spinous process- extends off of the neural spine and provides extra surface area for muscle attachment
c. Neural spine- a dorsal projection attached to the body of the vertebra
d. Transverse process- extend from the centrum and articulate with the ribs; also provide surface for muscle attachment
e. Rib- small, Y-shaped, posterolaterally directed; provide protection for the viscera