neurotransmitters Hickey Flashcards
(14 cards)
acetylcholine jobs
usually excitatory
inhibitory on parasympathetic (heart by vagus)
chief transmitter of parasymp NS- AMINE
acetylcholine locations in brain
many areas, motor cortex, basal ganglia, skel muscle neurons, and post ganglionic neurons of symp and parasymp NS -AMINE
serontonin function
controls body heat, hunger, behavior, and sleep
inhibitor of pain pathway cord, helps control mood AMINE
serotonin location
nuclei originate in brain stem and project to many areas, such as dorsal horns of spinal cord and hypothalamus
AMINE
dopamine function
catecholamine affects control of behavior and fine movement, usually inhibitory
dopamine locations
substantia nigra neurons send fibers to basal ganglia involved in coordinating skel muscle activity
norepinephrine function
catecholamine chief transmitter of symp NS, usually excitatory
norepinephrine locations
brain stem/hypothalamus (controlling overall activity/mood), most postganglionic neurons of symp NS
Gamma-aminobutyric acid (GABA) function/location
amino acid, excitatory, found in spinal cord, cerebellum, basal ganglia, some cortex
Glutamic acid function/location
excitatory, sensory pathways, cerebellum mossy fibers
glycine function/location
amino acid, inhibitory, synapes in spinal cord
substance P function/location
pain fiber terminals in dorsal horns of spinal cord, basal ganglia and hypothalamus, excitatory, amino acid
enkephalin function/location
polypeptide, excitatory to systems that inhibit pain, bind to same receptors as opiate drugs, found in spinal cord, brain stem, thalamus, and hypothalamus
endorphin function/location
polypeptide, binds to opiate receptors in brain/pituitary, excitatory to system that inhibits pain, pituitary glands and other areas of the brain
