Sense Organs [download]

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a structure of the sound conduction apparatusprimary functions: transmission of the vibrations of thetympanic membrane to the internal ear efficient transfer of acoustic energyfrom compression waves in air to fluid –membrane waves within the cochlea tympanic membrane –membrana tympani (tympanica) tympanic cavity –cavitas (cavum) tympani auditory (eustachian) tube –tuba auditiva(auditoria) auditory ossicles –ossicula auditus(auditoria)Middle ear, auris mediaHuman earProf. Dr. Nikolai Lazarov 44
ear drum – thin, semi longest diameter d=10-11 mm shortest diameter d=8-9 mm pars flaccida –Schrapnell’s membrane pars tensa umbo cuticular layer fibrous layer –absent in pars flaccida: radiate fibers circular fibers mucous layersemi-transparent, nearly oval in form:Human earTympanic membrane, membrana tympaniProf. Dr. Nikolai Lazarov 45
Page 1: 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 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 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

Sense Organs [download]

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