General Anatomical Organization of the Nervous System Flashcards
CNS is composed of?
Brain and Spinal Cord
Function of the CNS
Receive input from peripheral nerves, and more importantly, to analyze and integrate the information it receives and formulate effective responses implemented by a set of peripheral nerves.
The CNS is composed of 4 primary structures?
Forebrain
Brainstem
Cerebellum
Spinal Cord
Forebrain is divided into 2 regions, what are they?
Cerebral hemispheres
Diencephalon
Brainstem is divided into 3 regions, what are they?
Midbrain
Pons
Medulla
The Peripheral Nervous System is composed of what?
Sensroy nerves
Motor Nerves
Sensory Nerves
Transmit sensory information from the periphery and viscera to the CNS
Motor Nerves
Carry commands from the CNS to muscles and viscera.
What are the 2 subdivisions of the PNS
Somatic Motor System
Autonomic Motor System
Somatic Motor System
Relays motor commands to skeletal muscles
Autonomic Motor System
Relays motor commands to viscera and smooth muscle via the sympathetic, parasympathetic and enteric systems.