FRAXINUS NIGRA
\fɹˈaksɪnəs nˈɪɡɹə], \fɹˈaksɪnəs nˈɪɡɹə], \f_ɹ_ˈa_k_s_ɪ_n_ə_s n_ˈɪ_ɡ_ɹ_ə]\
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By Princeton University
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Hypoglossal Neuropathy
- twelfth cranial (hypoglossal) nuclei. fascicles are located in medulla, exits via hypoglossal foramen innervates muscles tongue. Lower brain stem diseases, including ischemia MOTOR NEURON affect nuclei fascicles. nerve may also be injured by diseases of the posterior fossa or skull base. Clinical manifestations include unilateral musculature and lingual dysarthria, with deviation tongue towards side weakness upon attempted protrusion.