Module 1

Module 1

1. brainstem

   • MEDULLA OBLONGATA
     • center for vital reflex
       • regulates heart rate
       • regulates BV diameter
       • regulates respiration
       • swallow, vomit, hiccup, cough, sneeze
     • olive nuclei
       • balance
       • coordination
       • modulation of sound from inner ear
   • PONS
     • pontine nuclei (pons anterior): relay info from small brain to big brain
     • pontine sleep center: REM
     • pontine resp. center: switch between insp and expr
   • MIDBRAIN/ mesencephalon
     • reflex from visual, auditory, and touch stimulus
     • unconscious regulation and coordination of motor activities.
     • in maintaining muscle tone and coordinating movements.