psychological psychology
NA19811981
7.dxnsANSPNSSC.pptNervous System Anatomy
Explain to someone how to get to your house. But, don’t use the following words: right, left, north, south, east, west.
Was it difficult? Impossible? Why?
Anatomy Terms
Lateral vs. Medial
|☜ ☞| ☞|☜
Anatomy Terms
Dorsal vs. Ventral
Anatomy Terms
Anterior vs. Posterior
Anatomy Terms
Superior
vs.
Inferior
Divisions of the Human
Nervous System
- Central (CNS) vs. Peripheral (PNS)
Divisions of the Human
Nervous System
- Central (CNS) vs. Peripheral (PNS)
Central = brain + spinal cord
Divisions of the Human
Nervous System
- Central vs. Peripheral:
Central = brain + spinal cord (A)
Peripheral = everything else (B1,B2)
Divisions of the Human
Nervous System
- Central vs. Peripheral:
Central = brain + spinal cord (A)
Peripheral = everything else
Somatic (B1)
Divisions of the Human
Nervous System
- Central vs. Peripheral:
Central = brain + spinal cord (A)
Peripheral = everything else
Somatic (B1)
Autonomic (B2)
Divisions of the Human
Nervous System
- Central vs. Peripheral:
Central = brain + spinal cord (A)
Peripheral = everything else
Somatic (B1)
Autonomic (B2)
Sympathetic
Divisions of the Human
Nervous System
- Central vs. Peripheral:
Central = brain + spinal cord (A)
Peripheral = everything else
Somatic (B1)
Autonomic (B2)
Sympathetic—”fight or flight”
Parasympathetic—calming, digestion
Spinal Cord
- 30 segments
Spinal Cord
- 30 segments
- Gray matter – somas, dendrites
Spinal Cord
- 30 segments
- Gray matter – somas, dendrites
- White matter – axons
Spinal Cord
- 30 segments
- Gray matter – somas, dendrites
- White matter – axons
- Sensory nerves enter dorsally
Dorsal root ganglia
Spinal Cord
- 30 segments
- Gray matter – somas, dendrites
- White matter – axons
- Sensory nerves enter dorsally
Dorsal root ganglia
- Motor nerves exit ventrally
Motor neurons (“ventral horns”)
