The obex is the point in the human brain at which the fourth ventricle narrows to become the central canal of the spinal cord.
The obex occurs in the caudal medulla.
The decussating of sensory fibers happens at this point.
Wikipedia[ - ]
The obex is the point in the human brain at which the fourth ventricle narrows to become the...
[ + ]
The obex is the point in the human brain at which the fourth ventricle narrows to become the central canal of the spinal cord.
The obex occurs in the caudal medulla.
The decussating of sensory fibers happens at this point.
Wikipedia