What is the apex of the medullary cone of the spinal cord below the second lumbar vertebra represented by? a. Equine tail. b. Spinal nerve; c. Terminal thread;

The apex of the medullary cone of the spinal cord below the second lumbar vertebra is represented by:<br /><br />c. Terminal thread.<br /><br />The terminal thread, also known as the filum terminale, is a delicate strand of fibrous tissue that extends from the apex of the medullary cone (the tapered end of the spinal cord) to the level of the second sacral vertebra. It helps anchor the spinal cord in place within the vertebral column.