Question | Answer |
which two descending motor tracts terminating only in the cervical cord are important for coordination of head and eye position | ?medial vestibular tract, tectospinal tract |
the ventral lateral nucleus of the thalamus projects to areas ________ of cortex and receive afferents from _____ via SCP and from ___________ | 4 & 6; Globose/Emboliform nucleus; paleostriatum |
name the nuclei described: receive afferent from the ipsilateral lateral gaze center | abducens |
name the nuclei described: motor to skeletal muscle of the larynx | ambiguus |
name the nuclei described: parasympathetic to the heart | ambiguus |
which basal nucleus is located in the wall of the lateral ventricle | caudate nucleus |
In general the purkinje fibers of the cerebellar cortex terminate on _____and have an _____influence | deep nuclei, inhibitory |
name the nuclei described: parasympathetic to the stomach | dorsal motor nucleus of vagus nerve (CN X) |
name the nuclei described: parasympathetic to the ileum | dorsal motor nucleus of vagus nerve (CN X) |
What nuclei form the paleostratium | globus pallidus |
what nucleus lies adjacent to the anterior limb of the internal capsule | globus pallidus and caudate |
name the nuclei described: receives afferents from the tongue | nucleus of spinotrigeminal tract; solitarius superior part |
name the nuclei described: efferent fibers join the glossopharyngeal nerve | inferior salivatory; ambiguus |
consider the vestibular nuclei: they influence the lower motor neurons of the lumbar cord via the ______ tract | lateral vestibulopinal tract |
name the descending tracts by which the vestibulocerebellum affects the neurons listed below. LMN of the lumbosacral spinal cord | lateral vestibulospinal tract; reticulospinal tracts |
consider the vestibular nuclei: they receives afferents concerning the head position from the _____ via the vestibular nerve | macula, crista ampullaris? |
name the descending tracts by which the vestibulocerebellum affects the neurons listed below. extraocular nuclei | medial longitudinal fasciculus |
name the nuclei described: sensory nuclei supplied by the posterior inferior cerebellar a. | nucleus of the spinotrigeminal tract |
consider the vestibular nuclei: they communicate with the ________ via the medial longitudinal fasciculus | Occulomotor; trochlear; abducens nuclei |
descending fibers in the anterior limb of the internal capsule terminate on _________ to influence the cerebellum | pontine nuclei |
the fastigial nucleus receives inhibitory afferents from the ______ | purkinje cells in the spinocerebellum and vestibulocerebellum lobes |
list the afferents to the left dentate nucleus: excitatory stimuli from ______ nuclei via the inferior cerebellar peduncle | right inferior olivary nuclei |
list the afferents to the left dentate nucleus: excitatory stimuli from _____ nuclei via the middle cerebellar peduncle | right (CONTRA)pontine |
list the afferents to the left dentate nucleus: inhibitory stimuli from the _______ cells located in the _________ | left (IPSI) purkinje cells; left pontocerebellum |
name the nuclei described: receives chemoreceptor and baroreceptor afferents | solitarius inferior part |
name the nuclei described: fibers terminate on the ventral posterior medial nucleus of the thalamus | solitarius, superior part |
name the region of the cerebellum described: afferents include the dorsal spinocerebellar tract | spinocerebellum |
name the region of the cerebellum described: efferents terminate on the red nucleus | spinocerebellum; pontocerebellum |
name the nuclei described: efferent fibers terminate on the pterygopalatine ganglion | superior salivatory/ lacrimal |
the neostriatum receives afferents from the wide areas of the cerebral cortex, from ______ and from _______ | V.A. and V.L. nucleus of thalamus; substantia nigra |
name the nuclei described: receives afferents from fastigial nucleus | vestibular nuclei and reticular nuclei |
the vestibular nuclei project to the ______ nucleus of the thalamus in the pathway for conscious awareness | ventral posteromedial |
Innervate muscles derived from Arch III - VI | glossopharyngeal, vagus |
innervates the ciliary body and sphincter papillae | occulomotor |
efferent fibers pass between the olive and pyramid | hypoglossal cn XII |
parasympathetic to the duodenum | Dorsal Motor Nucleus of Vagus Nerve (CN X) |
motor nucleus located adjacent to the chief sensory nucleus V | trigeminal |
receive afferents from the hypothalamus | ?general afferents to autonomic nuclei (edinger westphal, superior salivatory/lacrimal, inferior salivatory, dorsal motor nucleus of X, ambiguus) |
receive afferents from the contralateral lateral gaze center | ?occulomotor |
motor to skeletal muscle of the larynx, pharynx, and esophagus | ambiguus |
Innervates muscles from Arch I | Trigeminal Motor Nucleus |
give the major termination of the lateral corticospinal tract | laminae VII and VIII |
Which of the following tracts do not descend beyond the cervical cord | anterior corticospinal, tectospinal, rubrospinal |