Sense Organs [download]

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Cochlear canal, canalis cochlearisscala vestibuliLat.scala tympaniscala media (ductus cochlearis) organum spirale CortiLat. scala, , stairwayHuman earProf. Dr. Nikolai Lazarov 54
a closed system of fluid-filled membranouschannels (sacs) of ectodermal origin location – within the bony labyrinth filled with endolymph surrounded by perilymph –perilymphatic space labyrinthus vestibularis – within the osseous vestibule –utriculus and sacculus endolymphatic duct and sac three semicircular ducts labyrinthus cochlearis – membranous cochlea(cochlear duct) spiral organ of CortiHuman earMembranous labyrinth, labyrinthus membranaceusProf. Dr. Nikolai Lazarov 55
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Sense Organs1. Sense organs - class
Page 4 and 5: 3 main groups - Sherrington, 1906:
Page 6 and 7: traditionally four basic qualitieso
Page 8 and 9: Olfactory neuroepitheliumnon-myelin
Page 10 and 11: consists of: axons of the mitral an
Page 12 and 13: 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 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 64 and 65: Auditory pathwaysHuman ear I st neu
Page 66 and 67: I st neuron -vestibular ganglion (o
Page 68: Thank you…Prof. Dr. Nikolai Lazar
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