Neuroanatomy for Exam #3 Neuroanatomy Related to the Senses Lange

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Neuroanatomy for Exam #3 Neuroanatomy Related to the Senses Lange Biology 463 - Neurobiology Neuroanatomy for Exam #3 Neuroanatomy Related to the Senses Lange

Ora serrata Ciliary body Ciliary zonule (suspensory ligament) Cornea Iris Anterior pole Pupil segment (cavity) Lens Scleral venous sinus (Canal of Schlemm) Posterior segment (cavity) (contains vitreous humor) Optic nerve Posterior pole Fovea centralis Macula lutea Retina Choroid Sclera Central artery and vein of the retina Optic disc (blind spot)

Otolithic membrane Kinocilium Ster eocilia Receptor potential Nerve impulses generated in vestibular fiber Depolarization (Hairs bent towar kinocilium) d Hyperpolarization (Hairs bent away from kinocilium) Increased impulse frequency Excitation Decreased Inhibition

• Anterior Semicircular ducts in semicircular canals: Posterior Lateral Cristae ampullares in the ampullae Utricle in vestibule Saccule in vestibule Stapes in oval window Temporal bone Facial nerve Vestibular nerve Superior vestibular ganglion Inferior vestibular ganglion Cochlear nerve Maculae Spiral organ (of Corti) Cochlear duct in cochlea Round window