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Exercise 19 - 2 Primary Brain Vesicles TELENCEPHALON...

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TELENCEPHALON DIENCEPHALON MESENCEPHALON METACEPHALON MYELENCEPHALON 2. Primary Brain Vesicles FOREBRAIN (prosencephalon) MIDBRAIN (mesencephalon) HINDBRAIN (rhombencephalon) Neural Tube DIENCEPHALON (thalamus, hypothalamus, epithalmus) retina MIDBRAIN PONS CEREBELLUM MEDULLA OBLINGOTA Spinal Cord Exercise 19 PNS Sensory (toward ANS) and Motor (away from CNS) Somatic(voluntary, skeletal) and Autonomic (Involuntary, smooth and cardiac muscle) Sympathetic and Parasympathetic EMBRYONIC DEVELOPMENT *Two anterior pockets extend from brain to form cerebral aqueducts *The central canal of the nueral tube, which remains constant throughout brain and cord, enlarges to form ventricles CEREBRAL HEMISPHERES Right hemisphere – abstract, conceptual, spatial processes Left hemisphere – language and speech center Somatic Sensation o Primary somatosensory area – centralized area for information from the body’s sensory receptors o Somatosensory association area – incoming infromation is analyzed
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