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

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