Thorax - transverse sectionYou selected: spinal cordThe greyish white oval within the vertebra on this section represent the spinal cord. Note how small the cord is with respect to its bony encasement. The spinal cord is part of the central nervous system. Peripheral nerves in the skin, muscles and organs communicate with nerves in the spinal cord to send messages to the brain.lungs | ribs | right atrium | left atrium | right ventricle | left ventricle | serratus anterior | latissimus dorsi | erector spinae | pectoralis major | Information Module Name: thorax Module Title: Thorax - transverse section Image Info: Gross specimen. Created by: Lynn Bry Contact Email:bryl@medicine.wustl.edu Last modified: Dec 12th, 1996 Created with Annotation 1.0 |