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11 Cards in this Set
- Front
- Back
Acetylcholine was the first neurotransmitter discovered and is the major neurotransmitter in the ____________
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peripheral nervous system
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Acetylcholine is usually (but not always) an exitatory or inhibitory neurotransmitter
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Acetylcholine is usually (but not always) an EXITATORY neurotransmitter
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outside the brain acetylcholine is the major neurotransmitter controlling
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MUSCLES
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Body muscles can be broken down into 2 types
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Skeletal - under voluntary control
Smooth muscles- of the autonomic nervous system (controlling heart, stomach, etc. — not under voluntary control). |
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the most common neurotransmitter in the brain
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Glutamate-It is always excitatory
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where are NMDA glutamate receptors most densly concentrated
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NMDA receptors are most densely concentrated in the cerebral cortex (hippocampus, especially — particularly the CA1 region), amygdala, & basal ganglia
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a tough, protective connective tissue which is tightly bound to the skull, but which encases the cerebral veins
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dura mater
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arteries and web-like strands of connective/supportive tissue AKA spider-like mater
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arachnoid (blood rich)
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Under the dura mater and arachnoid is the _______ space containing CSF (CerebroSpinal Fluid)
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subarachnoid
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a permeable membrane of collagen, elastin fibers & fibroblasts on the floor of the subarachnoid space which allows diffusion between the CSF and the interstitial fluid of the brain tissue
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pia mater
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dura mater, the arachnoid mater and the pia mater are collectively referred-to as
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meninges
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