Which of the following structures is labeled B in the diagram?
A)Lumbar enlargement
B)Cervical enlargement
C)Conus medullaris
D)Cauda equina
E)Obturator nerve

Question

Which of the following structures is labeled B in the diagram? 
A)Lumbar enlargement 
B)Cervical enlargement 
C)Conus medullaris 
D)Cauda equina 
E)Obturator nerve

Quizplus · Accepted Answer

The structure labeled B in the diagram is the cervical enlargement of the spinal cord, which is the region where the spinal cord's diameter is greater in order to accommodate the nerve fibers that innervate the upper extremities.

Which of the Following Structures Is Labeled B in the Diagram