Neurotransmitters Info Flashcards
4 sites of acetylcholine
NMJ
Basal ganglia neurons
ANS
Basal Nucelus of Meynert
Basal Nucelus of Meynert function
helps cortex with memory function…plays role in alzheimers when ACh is low here
is glutamate excitatory or inhibitory?
EXCITATORY
Where does glutamate function?
everywhere in the CNS
is GABA excitatory or inhibtory?
inhibitory
where is GABA found?
mainly in interneurons
4 GABA functions
sedation, muscle relaxation, cardiovascular/respiratory function and spinal reflexes
clinical use of GABA
anxiety treatment
is glycine excitatory or inhibitory?
inhibitory
where does glycine function?
interneurons in CNS, mainly spinal cord
glycine clinical use
muscle spasticity
other name for serotonin
5-hydroxytryptamine
3 locations of serotonin
raphe nuclei in brain stem
pineal gland
limbic center
5 functions of serotonin in the limbic center
sleep, pain perception, food intake, mood, temperature
enzyme to make catecholamines
tyrosine hydroxylase
2 locations of norepinephrine
ANS Locus Ceruleus (brainstem)
Role of Locus Ceruleus with NorEPI
projects to cortex mediating arousal, sttention and anxiety
3 locations of dopamine
substantia nigra
brainstem
hypothalamus
role of dopamine in substantia nigra
motor control…cause of parkinsons
role of dopamine in brainstem
reward center…pleasure reinforcement…addiction
High dopamine can cause what mental illness?
schizo
role of dopamine in hypothalamus
leads to release of prolactin from pituitary
ionotropic receptor definition
attached to an ion channel
metabotropic receptor definition
leads to secondary messenger pathways like GPCR