Lab handout # 10 Brain and Cranial nerves(1).pdf - BIO 135...

This preview shows page 1 - 3 out of 8 pages.

BIO 135 HUMAN ANATOMY AND PHYSIOLOGY I LABORATORYLAB # 10 BRAIN AND CRANIAL NERVES1.GROSS ANATOMY OF BRAIN2.VENTRICLES OF BRAIN3.CRANIAL NERVES4.LAB REP # 9 BRAIN5.LAB REP # 10 CRANIAL NERVESThe human brain is extremely complex.Three major portions of the brain:Cerebrum (cerebral hemispheres)83% of brain volumeImportant features and landmarks: gyri and sulci, longitudinal cerebral fissure,corpus callosumCerebellumSecond largest brain regionContains 50% of the neurons; about 10% of brain volumeLocated in posterior cranial fossaSeparated from cerebrum by transverse cerebral fissureBrainstemIncludes diencephalon, midbrain, pons, medulla oblongataDirectional terms:Rostraltoward the foreheadCaudaltoward the spinal cordImportant anatomical features:Longitudinal fissuredeep groove that separates cerebral hemispheresGyrithick folds on brain surfaceSulcishallow grooves between gyriCorpus callosumthick nerve bundle at bottom of longitudinal fissure that connectshemispheresFrontal lobe
Rostral to central sulcusVoluntary motor functions, motivation, foresight, planning, memory, mood, emotion, socialjudgment, and aggressionParietal lobeBetween central sulcus and parieto-occipital sulcus

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 8 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Summer
Professor
dr.G
Tags
Hypoglossal Nerve

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture