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38 Cards in this Set
- Front
- Back
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Where is the facial colliculus?
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On the median eminence in the rhomboid fossa
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What forms the floor of the lateral portion of the rhomboid fossa?
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The vestibular area
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What is the cerebellum involved with? (3things)
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Regulation of motor activity, coordination of muscle contraction and muscle tone, maintenance of posture
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What fissure of the cerebellum separates the anterior and posterior lobes?
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The primary fissure
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What cerebellar fissure separates the posterior and flocculonodular lobes?
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The posterolateral fissure
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What are the CN of the midbrain? (2)
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Occulomotor and Trochlear
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What are the CN of the Pons? (4)
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trigeminal, abducens, facial, vestibulocochlear
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What are the CN of the medulla? (4)
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Glossopharyngeal, Vagus, Accessory, Hypoglossal
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Name the two SSA nuclei
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Cochlear, Vestibular
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Name the 3 GSA nuclei
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Mesencephalic, primary sensory of 5, and spinal nucleus of 5
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Name the GVA/SVA nuclei
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Solitary nucleus
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Name the 5 GVE nuclei
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Edinger-Westphal, Superior salivatory, lacrimal, inferior salivatory, DMNV
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Name the (4)SVE nuclei
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Motor Trigeminal, Facial, Ambiguus, Accessory
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Name the 4 GSE nuclei
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Occulomotor, Trochlear, Abducens, Hypoglossal
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What is ambiguus nucleus?
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SVE
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What is the Solitary Nucleus?
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GVA and SVA
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What is the Hypoglossal nucleus?
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GSE
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What is the Superior salivatory nuclei?
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GVE
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What is the DMNV?
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GVE
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What is the Spinal Trigeminal Nucleus?
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GSA
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What is the Mesencephalic Nucleus?
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GSA
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What is the Vestibular Nucleus?
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SSA
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Spinal Trigeminal Nucleus receives input from what CN?
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V, VII, IX, X (pain)
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Solitary Nucleus receives fibers from which Nuclei?
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VII, IX, X
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Inferior Salivatory Nuclei is associated with what?
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Parotid gland
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The medial 2/3 of the reticular formation consists of what?
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Magnocellular cells
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The lateral 1/3 of reticular formation consists of what?
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Parvocellular cells
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Input to the reticular formation is through parvocellular or magnocellular regions?
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input=parvocellular; output=magnocelluar
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What is the raphe nuclei of the reticular formation involved in?
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Regulation of forebrain activity (rostral group) and regulation of pain (caudal group)
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What is the effector portion of the reticular formation?
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The medial reticular zone
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What is the ascending reticular activating system responsible for?
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Alertness, alters levels of conscouisness, state of attention
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What does the descending portion of the medial reticular zone do?
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Regulate muscle tone, spinal reflexes and motor activity
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What are the two parts of the descending reticular formation and what do they do?
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pontine=facilitates spinal; reflexes medullary= decreases spinal reflexes
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What does the lateral reticular zone do?
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passes afferents to the medial reticular zone
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What is Wallenberg syndrome?
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AKA lateral medullary syndrome; loss of spinothalamic tract, spinal trigeminal tract, posterior cerebellar tract, descending autonomic pathways
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What are the symptoms associated with Horner's Syndrome?
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Ptosis, Miosis (pupil constriction), Anhidrosis(lack of sweating), Enopthalamos(sunken eye)
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What would cause autonomic (spastic) reflexive bladder?
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Spinal cord lesion above the spinal cord micturation center
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What would cause an autonomous (flaccid) neurogenic bladder?
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Destruction of the spinal cord micturation center or efferent nerves coming from it
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