BRAIN - THE BRAIN Brain Directional Terms and Landmarks Rostral toward the forehead Caudal toward the spinal cord Superior View of the Brain A

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THE BRAIN
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Brain Directional Terms and Landmarks Rostral - toward the forehead Caudal - toward the spinal cord
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Superior View of the Brain A longitudinal fissure (deep groove) separates 2 cerebral hemispheres. Folds are called gyri and the shallow grooves are called sulci . The surface layer ( cortex ) consists of gray matter. Deeper masses of gray matter are called nuclei . Bundles of axons (white matter) are called tracts .
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Median Section of the Brain
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MAIN PARTS OF THE BRAIN 1. Brain stem - continuous with spinal cord - consists of medulla oblongata, pons, & midbrain 2. Cerebellum - posterior to brain stem 3. Diencephalon - superior to brain stem 4. Cerebrum - occupies most of cranium
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MEDULLA OBLONGATA Relays impulses between other parts Regulates heart beat, breathing, and blood vessel diameter. Coordinates swallowing, vomiting, coughing, sneezing, and hiccuping.
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Relays impulses from one side of the cerebellum to the other & Helps medulla to control
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This note was uploaded on 09/24/2011 for the course BSC 1085 taught by Professor Staff during the Summer '09 term at Broward College.

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BRAIN - THE BRAIN Brain Directional Terms and Landmarks Rostral toward the forehead Caudal toward the spinal cord Superior View of the Brain A

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