Brain

• afferent


  sensory nerve fiber
• efferent


  motor nerve fiber
• cerebral cortex


  gray, higher level process
• pre-central gyrus


  gray, control of voluntary movement
• post-central gyrus


  gray, proprioception
• choroid plexus


  produce cerebrospinal fluid
• corpus callosum


  white, serve as conduit for infor across brain
• olfactory bulb & tracts

  gray/white, sense of smell
• fornix


  white, cognition & episode memory recall
• thalamus


  gray, info relay station
• pineal gland


  receive info about light vs dark
• optic nerve, chiasma, and tract


  white, send visual messages to brain
• hypothalamus


  gray, keep body in homeostasis
• mammillary bodies


  gray/white, recollective memory
• neurohypophysis


  gray, coordinating fluid balance and reproductive function
• cerebral aqueduct


  cerebral spinal fluid from 3rd to 4th
• cerebral peduncles


  white, refine motor movements
• corpora quadrigemina


  white/gray, controls position of head and eyes
• cerebellum


  gray, movement and balance
• pons


  white, transmit signals between, forebrain and cerebellum