Chapter 2.3 - Overview of the Nervous System Structure Flashcards
Localised interconnected neurons form a ___________
Microcircuit
A cortical neuron has between ________ and _________ thousand synapses
1 and 5
A Purkinje neuron has up to _________ synapses
200,000
The _________ Nervous System is thought of as the “command and control center”
Central
The ________ Nervous System is thought of as the courier network that delivers sensory information to the CNS, and carries motor commands from the CNS to the muscles
Peripheral
The Sympathetic Nervous System primarily uses __________ as the neurotransmitter
Norepinephrine
The Parasympathetic nervous system primarily uses _________ as the neurotransmitter
Acetylcholine
Which nervous system (parasympathetic or sympathetic) is responsible for maintaining the body ie Rest and Digest
Parasympathetic nervous system
Which nervous system (parasympathetic or sympathetic) is responsible for the fight or flight response
Sympathetic
Between what two membranes would you find the subarachnoid space
The arachnoid and pia membranes
What type of fluid prevents pressure and damage to the brain and spinal cord
Cerebrospinal Fluid
Bundles of ___________ that cross from one cerebral hemisphere to the other are known as commissures
Axons
The _________ __________ is the largest commissure connecting the two hemispheres of the brain
Corpus Collosum
Part of the brain with motor and sensory nuclei; nuclei controlling neurotransmitter systems; white matter tracts (ascending sensory, descending motor signals)
The Brainstem