Sense Organs [download]

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Auditory pathwaysHuman ear I st neuron –spiral ganglion: true bipolar neurons –30000-3300033000 cells cell bodies in the spiralstructure of the cochlea peripheral processes spiral organ of Corti central processes cochlear part of thevestibulocochlear nerve II nd neuron –cochlear nuclei: dorsal cochlear nucleus ventral cochlear nucleus} lateral lemniscusProf. Dr. Nikolai Lazarov 64
Central auditory pathways III rd neuron – nucleus colliculi inferioris IV th neuron – medial geniculate nucleus acoustic radiation primary auditorycortex (A-I) = Brodmann’s area 41(upper part of gyrus temporalis superior)Human earProf. Dr. Nikolai Lazarov 65
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Sense Organs1. Sense organs - class
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3 main groups - Sherrington, 1906:
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traditionally four basic qualitieso
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Olfactory neuroepitheliumnon-myelin
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consists of: axons of the mitral an
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The eye - some amazing facts:Human
Page 14 and 15: EyeballHuman eye Eyeball - the peri
Page 16 and 17: Cornea - “kerat-“,, Gr. κέρ
Page 18 and 19: Human eyeVascular tunic (uveal trac
Page 20 and 21: RetinaRetina - Lat. rete, net: appr
Page 22 and 23: Photoreceptor cells neurons capable
Page 24 and 25: Ganglion cellsreceive visual inform
Page 26 and 27: Inverted retina ‘inverted’ arra
Page 28 and 29: Human eyeAqueous chambers and humor
Page 30 and 31: lens: transparent, biconvex body st
Page 32 and 33: extraocular muscles: elevator of th
Page 34 and 35: eyelids, palpebrae: thin, movable f
Page 36 and 37: lacrimal gland lacrimal canaliculi
Page 38 and 39: Lacrimal pathways lacrimal canalicu
Page 40 and 41: The peripheral auditory apparatus,
Page 42 and 43: pinna - Lat.Lat. pinna, , a feather
Page 44 and 45: a structure of the sound conduction
Page 46 and 47: volume - 1.5 cm 3 , air-filleddiame
Page 48 and 49: Human earAuditory ossicles, ossicul
Page 50 and 51: vestibule, vestibulum three semicir
Page 52 and 53: lateral semicircular canal (14 mm)
Page 54 and 55: Cochlear canal, canalis cochleariss
Page 56 and 57: Human earVestibular labyrinth, laby
Page 58 and 59: Statoreceptor spots:Vestibular syst
Page 60 and 61: Cochlear duct, ductus cochlearis pa
Page 62 and 63: Tectorial membrane,membrana tectori
Page 66 and 67: I st neuron -vestibular ganglion (o
Page 68: Thank you…Prof. Dr. Nikolai Lazar
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