Chapter 46 Nervous System (1)

Chapter 46 Nervous System (1) - Miguel Alvarez LS2 AAP...

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Miguel Alvarez LS2 AAP Tutor Fall 08: Week 10 Session 1 Chapter 46: Nervous System I. Development Primary Brain Vesicles Secondary Brain Vesicles Adult Brain Structures FOREBRAIN Tel encephalon Cerebral hemispheres FOREBRAIN Di encephalon Thalamus, hypothalamus, eye MIDBRAIN Mes encephalon Brain stem: midbrain (superior/inferior colliculi) HINDBRAIN Met encephalon Brain stem: pons and cerebellum HINDBRAIN Myel encephalon Brain stem: medulla II. Spinal Cord anatomy and nerve processes a. Sensory signal (receptors) dorsal root dorsal horn interneuron(not in reflexes though) ventral horn ventral root axon effector b. Attention: be careful with distinguishing gray and white matter i. Gray matter: inside the horns since somas are found in this region. ii. White matter: “outside” the horns since axons are found in this region. 1. *remember that axons had myelin?. ..well, this is why its white! III.
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Chapter 46 Nervous System (1) - Miguel Alvarez LS2 AAP...

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