Nervous system outline Flashcards
Peripheral nervous system
“away from center”
includes everything but the spinal chord and brain
PNS is made up of…
somatic division
autonomic division
somatic division of PNS
“body”
the nerve fibers that connect to muscle
sense of touch
autonomic division of PNS
“self rule”
regulates vital functions
heart rate, breathing, digestion
autonomic division is made of…
sympathetic branch
parasympathetic branch
sympathetic branch
“with feeling”
excited states, energy consuming, arousal
fight or flight
parasympathetic branch
“goes with sympathetic”
vegetative states, energy conserving or storing, calm
maintains normal function
rest and digest/ feed and breed
Central Nervous System
“center”
includes brain and spinal chord
Brain is made up of…
hindbrain
midbrain
forebrain
hindbrain
cat transected above hindbrain can move but it cannot act
hindbrain is made up of…
medulla oblongata (oblong marrow)
pons (bridge)
cerebellum (little brain)
midbrain
cat transected above midbrain can act but without regard to environment or purpose
midbrain is made up of…
tectum “roof”
- superior colliculus
- inferior colliculus
tegmentum “floor”
- substantia negra
- red nucleus
forebrain
central hemispheres connected by corpus callosum
forebrain is made up of…
thalamus
hypothalamus
basal ganglia
limbic system
cortex
