PNS
These specialized sensory structures in the skin, muscles, joints, and organs detect stimuli from the environment.
receptors
What are the 2 Major structures of the CNS
Brain and spinal cord
What systems do both the CNS and PNS have interactions with?
The nervous system, the immune system, or vascular system
The PNS is divided into two parts. What are they?
Somatic and autonomic nervous system
These 12 pairs of nerves emerge directly from the brain, mostly the brainstem.
cranial nerves
What is the function of the spinal cord
Transmits signals throughout the body
What is one category that the similarities fall into?
Cellular, composition, development, interactions, vulnerabilities, or neural region
The CNS makes ___ and the PNS ___ them out
Decisions, carries
The PNS is divided into these two major motor control systems: one for involuntary functions and one for voluntary movements.
Autonomic Nervous System (ANS) and the Somatic Nervous System (SNS)?
what is the function of neuroglia (Gial cells)?
Supports and protects neurons ; are more numerous than neurons
Both the CNS and PNS are composed of what two things
Gial cells and neurons
How does the CNS differ from the PNS in terms of function?
The CNS processes and interprets information while the PNS transmit signals between the rest of the body and the CNS.
This disorder of the PNS causes muscle weakness due to immune system attack on nerves
Guillain-Barré Syndrome
What does the cerebellum control?
Coordination, presentation, and accurate timing of movement
What are the microglia found in the CNS and PNS derived from?
Bone marrow
What is the main structural difference between the CNS and PNS?
The CNS consists of the brain and spinal cord, while the PNS includes all nerves outside the CNS.
These clusters of neuron cell bodies are located outside the CNS and play a key role in transmitting nerve signals
Ganglia
What are nerve impulses?
The brain communicates with the body with these electrical signals
What specific part of the systems can regenerate spontaneously?
Axons
Which system includes interneurons, and which typically does not?
The CNS includes interneurons, the PNS generally does not