Sense Organs [download]

I st neuron –vestibular ganglion (ofScarpa): situated in the upper part of the outerend of the internal auditory meatus true bipolar neurons –~20000cells peripheral processes statoreceptor spots in:• maculae utriculi et sacculi –linear acceleration• semicircular ducts –angular acceleration central processes vestibular part of thevestibulocochlear nerve II nd neuron – vestibular nuclei: superior (Bechterew) inferior (Roller) medial (Schwalbe) lateral (Deiters)Vestibular pathways} lateral lemniscus tractus spinocerebellaris posteriorHuman earProf. Dr. Nikolai Lazarov 66