Anatomy and Functions of the Brain: Brainstem, Cerebellum, Diencephalons, and Cerebrum, Exercises of Anatomy

Download Anatomy and Functions of the Brain: Brainstem, Cerebellum, Diencephalons, and Cerebrum and more Exercises Anatomy in PDF only on Docsity! Brain (Chapter 19) Principle parts Brainstem (medulla oblongata, pons, midbrain) Cerebellum (little brain) Diencephalons (thalamus & hypothalamus) Cerebrum (rt & lt hemispheres) Cerebrospinal Fluid Functions Mechanical protection Chemical protection Circulation Formed by: Ependymal cells of the Choroid Plexuses Flow from the choroids plexuses to the arachnoid villa Circumventricular organs Brain Stem Medulla oblongata Ascending sensory & descending motor tracts Cross over at decussation of pyramids Medullary rhythmicity area (basic rhythm of breathing) Complex reflexive behaviors Pons Reticular formation (RAS) Cerebellum Coordinates complex motor sequences Hypothalamus ANS Pituitary gland Emotional & behavioral patterns Eating and drinking Body temperature Diurnal rhythms Cerebrum White matter Association fibers Commissural fibers Projection fibers Gray matter – Cortex Sulci Gyri Lobes Functional Areas of the cortex Primary somatosensory cortex (Post-central gyrus) Primary motor cortex Primary visual cortex Primary auditory area Auditory Association area (Wernicke’s area) usually on the left Motor Speech area (Broca’s area) usually on the left side Brain Lateralization Split Brains Docsity.com