Gross Anatomy of the Brain and Cranial Nerves.pptx - Gross...

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Gross Anatomy of theBrain and Cranial NervesAnatomy and Physiology I
Principal DivisionsCentral nervous system (CNS)= the brain and spinal cordInterpret incoming sensory information and issue instructions based onthat information and past experiencesPeripheral nervous system (PNS)= cranial and spinal nerves, ganglia,and sensory receptorsCarry impulses from the sensory receptors to the CNS and from there tothe appropriate organs
PNS Subdivisions*Sympathetic= “fight or flight”*Parasympathetic= saves energy, slows down bodily processes
Brain Development
Cerebral HemispheresElevated surfaces aregyriand they are separated by grooves calledsulci
Meninges of the Brain
Cerebrospinal FluidServes as a watery cushion that protects the brain against blows to thehead
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Term
Spring
Professor
JohnE.Dittmer
Tags
Physiology, Anatomy, PNS Subdivisions

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