NS102_brainstem11 - visceral afferent from arterial...

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Inferior Olive Olive cerebellar tract; Inferior cerebellar Peduncle; Climbing fibers; Gap junctions Accessory cuneate nucleus: 1). lies in the medulla. 2). receives UNCROSSED fibers from dorsal root ganglia above C8. 3). receives the same kind of information that Clarke’s column does. 4). projects to the IPSILATERAL cerebellum via inferior cerebellar peduncle.
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NTS: Nucleus of Tractus Solitarius Lies lateral to dorsal nucleus of Vagus; Medial to spinal tract and nucleus of the trigeminal nerve; Carrying information from dorsal nucleus of vagus, VII, IX; Superior part: sensation of taste; Inferior part: visceral sensory from the abdominal viscera; visceral afferent fibers from heart;
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Unformatted text preview: visceral afferent from arterial recetptors in carotid body and sinus Posterior longitudinal fasciculus (schitz) • Ascending: from reticular formation to hypothalamus carrying visceral information; • Descending: from hypothalamus through periaqeductal gray along the base of 4th vintricle; • Continue on into the spinal cord where they synapse with preganglionic autonomic neurons. XII nucleus and nerve Dorsal motor Nucleus of X • lies slightly dorsal and lateral to the hypoglossal nucleus; • give rise to PREGANGLIONIC PARASYMPATHETIC fibers ; • activate postganglionic neurons in ganglia associated with the pharynx, larynx and esophagus....
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