nervous systems review
Post on 31-Dec-2015
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Nervous Systems Review
Central Nervous System (CNS) • brain • spinal cord
Peripheral Nervous System (PNS) • Somatic (sensory & motor)
• Autonomic (afferent & efferent) a) sympathetic b) parasympathetic
Enteric NS
The Nervous Systems
+ Sensory nerves +
+ Afferentnerves to CNS
Neural Connection
Saltatory conduction
EPSP -axodendriticIPSPaxosomatic
Neural Transmission
Saltatory propagation
1. Concentration2. Electrical3. Na+, K+ pumps
Na+ inK+ out
Ions:
Neural Transmission at the Synapse
Retrograde messenger
Autoreceptors
Ca++
Fusion pore
Mid -sagittal Section
Pituitary
DA, NE, 5HT
RF
autonomic
(neo~, paleo~, archi~)
Telencephalon
• Limbic system: amygdala, septum (subcortical), hippocampus (archicortex), cingulate gyrus (paleocortex): subcortical & cortical extension of hypothalamus; Kluver-Bucy, Papez-MacLean
• Basal Ganglia: n. accumbens, striatum (caudate &
putamen)• Neocortex: frontal, parietal, temporal, occipital lobes
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