Which of the following areas of the spinal cord show enlargement of the ventral horns due to large numbers of motor neurons?
A) C1-C2 and T2-T12
B) C1-C2 and L1-S3
C) C3-T1 and T2-T12
D) C3-T1 and L1-S3

Question

Quizplus · Accepted Answer

The ventral horns of the spinal cord are enlarged in areas where there are large numbers of motor neurons, which are primarily responsible for motor control of the limbs. These enlargements occur in the cervical and lumbosacral enlargements, corresponding to segments C3-T1 (for the arms) and L1-S3 (for the legs), respectively.

Which of the Following Areas of the Spinal Cord Show