Peripheral Nervous System
The peripheral nervous system consists of 12 pairs of cranial nerves and 31 pairs of spinal nerves.
Peripheral nervous system. The pns consists of the nerves and ganglia outside the brain and spinal cord. Peripheral nervous system overview functionally the peripheral nervous system pns is divided into sensory afferent and motor efferent nerves depending on whether they bring information to the cns from sensory receptors or carry instructions towards muscles organs or other effectors. The primary role of the pns is to connect the cns to the organs limbs and skin. The primary function of the peripheral nervous system is to serve as a pathway of communication between the cns and the rest of the body.
Peripheral nervous system the part of the nervous system in vertebrate animals that lies outside of the brain and spinal cord central nervous system. Some of those nerve pairs are exclusively sensory cells such as cells that detect information. The peripheral nervous system pns is the division of the nervous system containing all the nerves that lie outside of the central nervous system cns. The components of the peripheral nervous system are the nerves and ganglia that are present outside the spinal cord and the brain.
While cns organs have a protective covering of bone brain skull spinal cord spinal column the nerves of the pns are exposed and more vulnerable to injury. Peripheral nervous system function organs and limbs are connected to the central nervous system essentially assisting as a relay between the spinal cord the brain and the rest of the body which is the main function of the pns.