NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
,NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
Nervous System Cells
• Neurons:
• Afferent neurons- sensory
• from PNS to CNS
• Efferent neurons- motor
• from CNS to PNS
• Axons:
• myelinated or nonmyelinated
• Neurotransmitters:
• Chemicals that enhance or
inhibit impulses
• Synapse:
,NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
• gap between cells
,NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
Meninges
• Meninges: protective covering
of the brain and spinal cord
• Epidural space
• Dura
• Subdural space
• Arachnoid
• Subarachnoid space
• Pia
,NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
Nervous System Cells
• Neurons:
• Afferent neurons- sensory
• from PNS to CNS
• Efferent neurons- motor
• from CNS to PNS
• Axons:
• myelinated or nonmyelinated
• Neurotransmitters:
• Chemicals that enhance or
inhibit impulses
• Synapse:
,NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
• gap between cells
,NURS 421 EXAM/NERVOUS SYSTEM GUIDE 2022 UPDATEGRADED A+
Meninges
• Meninges: protective covering
of the brain and spinal cord
• Epidural space
• Dura
• Subdural space
• Arachnoid
• Subarachnoid space
• Pia