What is the conus medullaris? Anchoring tendon for spinal cord. 0 0 0 . Collected lumbar and sacral nerves. Inferior end of the spinal cord. Spinal cord enlargement that holds neurons serving the upper limbs. Question 16 2 pts What is an area of skin innervated by a particular spinal nerve? Dermatome Intercostal nerves ООО Meninges Ramus communicans 2 pts D Question 17 What is the effector in the patellar reflex? Hamstring muscles L2-L4 of spinal cord OOOO Quadriceps femoris muscle Patellar ligament