Neuro
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Basilar section of brainstem | anterior; contains predominantly motor system structures; motor nuclei: substantia nigra, pontine nuclei, & inf olive; pontocerebellar axons; descending axons from cerebral cortex
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| spinothalamic tract | pain & temperature discrimination; pass directly through brainstem w/o synapsing
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| spinocerebellar tracts | unconscious proprioception; leave brainstem via the inf cerebellar peduncle to enter cerebellum
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| sympathetic tracts | don't synapse at all in brainstem
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| tegmentum | posterior bs; reticular formation, sensory nuc & ascending sensory pathways, CN nuc, & MLF;
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| reticular formation | adjusts the gen level of act t/o the nervous system; a complex neural network including the reticular nuclei, their connections, & pathways; integrates sensory & cortical info, regs somatic motor act, autonomics, & consciousness; mods pain info
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| tectum | only in midbrain; involved in intrinsic & extrinsic head movements & eye muscs; pretectal area & sup & inf colliculi; post to tegmentum; most post part of brainstem
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| superior cerebellar peduncle | carries efferent info from cerebellum to the midbrain
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| oculomotor parsympathetic nucleus | Edinger-Westphal nucleus (supplies ps control of the pupillary sphincter & ciliary musc)
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Created by:
MeganFultz2
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