Term
| parasympathetic craniosacral division |
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Definition
| originates in cranial nerves nuclei and in sacral spinal cord S2-S4 |
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Term
| superior cervical ganglia |
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Definition
Lacrimal glands
Nasal glands
All three salivary glands
Pupillary dilation
Additional structures:
Sweat glands
Arrector pili muscles |
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Term
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Definition
| Sympathetic pre-ganglionic from greater splanchnic nerve Postganglionics run along blood vessels to organ Stomach Spleen Liver Pancreas |
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Term
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Definition
brainstem—exerts most direct influence
Centers in Medulla - control respiratory, cardiac, and vasomotor activity
Midbrain - Pupillary light reflexes |
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Term
| dorsolateral. Parietoocciptal |
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Definition
| motion/spatial analysis "where" pathway |
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Term
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Definition
| (carries both limbs of the monosynaptic jaw jerk reflex) •sensation from anterior _head_ terminate in 1° sensory nucleus and spinal trigeminal nucleus. •proprioception from masticatory muscles & pressure from teeth end in mesencephalic nucleus of V. •motor fibers from motor nucleus of V pass through motor root then mandibular division to innervate the jaw _muscles_, the tensor tympani |
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Term
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Definition
| •preganglionic parasympathetic (GVE) for lacrimal and salivary glands as well as blood vessels. •SVA for taste from anterior two-thirds of tongue (taste ends up at VPM thalamus). |
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Term
| Special Visceral Efferent (SVE): (motor function in eating and breathing) |
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Definition
•voluntary muscles of the jaw are innervated by trigeminal (V).
•voluntary muscles of the hyoid, incl facial expression, are innervated by facial (VII).
•voluntary muscles of third branchial arch (swallowing & larynx) innervated by glossopharyngeal (IX).
•remaining arches innervated by vagus and spinal accessory (X & XI). |
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Term
| unilateral UMNCN VII lesion |
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Definition
| • result in contralateral weak lower facial muscles due to unilateral crossed pathways. It will not affect the frontalis or orbicularis oculi muscles due to bilat pathways. |
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Term
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Definition
| results in unilateral loss of gag reflex and carotid reflex; loss of sensation, including taste from posterior _1/3_____ of tongue; difficulty swallowing and deviation of uvula to normal side. |
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Term
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Definition
| : results in flaccid soft palate, dysphagia, transient tachycardia. Bilat ?rapid death |
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Term
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Definition
| : input from vestibular nuclei and projects to primary vestibular cortex |
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Term
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Definition
| reciprocal connections to precentral gyrus; major input as the dentatothalamic from contralateral _dentate___________ nucleus; role as gateway to & prime mover of motor pathways |
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Term
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Definition
| : input from __medial globis pallidus___, substantia nigra, brainstem reticular formation.... projects to the premotor cortex to participate in somatic motor system |
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Term
| Substantial innominata (gray matter inf to anterior commissure): |
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Definition
| connect amygdala, hippo and hypothal,with role in neural processing assoc with intellectual function. |
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Term
| Adrenal medulla secretion |
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Definition
| stimulated by preganglionic sympathetic fibers via thoracic splanchnic nerves |
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Term
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Definition
contains three semicircular ducts, the vestibule, and the cochlea.
filled with perilymphatic fluid.mem |
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Term
| scala vestibuli, the scala media, and the scala tympani. |
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Definition
| 3 fluid filled cavities of the cochlea |
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Term
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Definition
| separates the scala media from the scala vestibuli. |
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Term
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Definition
| separates scala media and the scala tympani |
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Term
• Remember CSLIMA: (C)ochlear nuclear complex (S)uperior olivary nucleus (L) ateral lemniscus (I)nferior colliculus (M)edial geniculate body (thalamus) primary and secondary (A)uditory cortices
Cochlear nuclear complex superior olivary nucleus lateral lemniscus inferior colliculus medial geniculate body (thalamus) primary and secondary auditory cortices |
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Definition
| central auditory pathways |
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Term
| peripheral vestibular system |
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Definition
| made up of the membranous and bony labyrinths as well as the hair cells which serve as motion sensors |
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Term
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Definition
lies within the bony labyrinth.
contains five sensory organs: membranous portions of the three semicircular canals, the utricle, and the saccule.
is filled with endolymphatic fluid. |
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Term
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Definition
| • The enlargement at one end of each semicircular canal |
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Term
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Definition
| • A gelatinous capsule covers the crista |
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Term
| stimulation of hair cells in ampula |
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Definition
| related to angular, rotational head motion (angular velocity). |
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Term
| • The ampulla, crista, and cupula of the semicircular canals |
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Definition
| provide sensory input about angular, rotational head velocity. |
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Term
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Definition
• Hair cell groupings in the utricle and saccule
found on the floor of the utricle and the medial wall of the saccule.
- covered by A layer of gelatinous mass called the otolithic membrane |
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Term
| • The maculae of the saccule and the utricle |
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Definition
| sensitive to gravity and linear acceleration. |
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Term
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Definition
| • Each otolithic macula has a curving zone called the |
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