BIOM 3200 Lecture Notes - Lecture 3: Lateral Hypothalamus, Ventrolateral Preoptic Nucleus, Reticular Formation
20 Oct 2017
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Document Summary
Composed of two regions: the metencephalon and the myelencephalon. The metencephalon is composed of the pons and the cerebellum. The pons can be seen as a rounded bulge on the underside of the brain, between the midbrain and the medulla oblongata, Within the pons are several nuclei associated with specific cranial nerves the trigeminal (v), abducens (vi), facial (vii), and vestibulocochlear (viii) Other nuclei of the pons cooperate with nuclei in the medulla oblongata to regulate breathing. There are two respiratory controls in the pons: the apneustic and the pneumotaxic centers. Contains outer gray and inner white matter. The cerebellum receives input from proprioceptors (joint, tendon, and muscle receptors) and, working together with the basal nuclei and motor areas of the cerebral cortex, participates in the coordination of movement. Purkinje cells cerebellum neurons provide the only output from the cerebellum to other brain regions. Purkinje cells produce only inhibitory effects on the motor areas of the cerebral cortex.
