the sensory organthe sensory organ

2013-14

derfreiefall@zju.edu.cn2014.3.18

22

receptor

sensory organs exteroceptor () interoceptor ()proproceptor

33

eyeeye visual organ

-corneasclera-iris; ciliary bodychooid-

etc

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44

-- fibrous tunicfibrous tunic11corneacornea1/61/6

eyeball

22sclerasclera5/65/6scleralscleral venous sinus, venous sinus,

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55

1 irispupilsphincter muscle of pupildilator muscle of pupil2 ciliary body3 choroid

eyeball-/vascular tunic

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66

11 irisiris22 ciliaryciliary bodybody 33 choroidchoroid

eyeball-/vascular tunic

77

11 irisiris22 ciliaryciliary body body 33 choroidchoroid2/32/3

eyeball

-/

88

3.5mm3.5mm

eyeball-retina

99

112233

eyeball-retina

1010

1111

aqueous humoraqueous humor11

22

11

22

33

1212

,,,,,,

**,,,,

,,

,,,,

,,

//

lens

1313

4/54/5

--

--

vitreous body

1414

Bend entering light waves and focus them on the retina Cornea Aqueous humorLens Vitreous body

1515

11eyelidseyelids

, etc, etc

1616

22conjunctivaconjunctiva

33 lacrimallacrimal apparatusapparatuslacrimallacrimal glandgland::

1717

ocular muscles

1818

vestibulocochlear organ

1919

vestibulocochlearvestibulocochlear organorgan

2020

11 auricleauricle22 external acoustic external acoustic meatusmeatus33 tympanic membranetympanic membrane

external ear

2121

middle ear tympanic cavitytympanic cavity11112233445566

2222

tympanic membrane

cone of light umbo

middle ear11--

2323

tympanic cavitytympanic cavity22 malleusmalleus incusincus

stapesstapes

tensor tympanitensor tympani--

stapediusstapedius--

middle ear

2424

auditory tube auditory tube

middle ear

2525

labyrinthlabyrinth

internal ear

labyrinthus osseus

labyrinthusmembrane

2626

vestibulevestibule

**

**

bony labyrinth

2727

bony semicircular canalsbony semicircular canals

bony labyrinth

2828

cochleacochleamodiolusmodioluscochlear spiral cochlear spiral canalcanal

bony labyrinth

2929

utricleutriclesacculesacculesemicircular ductssemicircular ductscochlear ductcochlear duct

membranous labyrinth

3030

membranous labyrinth

3131

cochlear ductcochlear duct

spiral organspiral organCortiCorti

membranous labyrinth

3232

3333

11

22

3434

THANK YOU!

the sensory organeye- fibrous tunic1cornea1/61 irispupilsphincter muscle of pupildilator muscle of pupil2 ciliary body3 choroid1 iris2 ciliary body 3 choroid1 iris2 ciliary body 3 choroid2/3 3.5mm123 aqueous humor 1 212 ,,, * ,,, ,,, 4/5--1eyelids, etc2conjunctiva 3 lacrimal apparatus lacrimal gland : vestibulocochlear organ1 auricle2 external acoustic meatus3 tympanic membrane tympanic cavity1123456 tympanic membrane cone of light umbotympanic cavity2 malleus incus stapes tensor tympani-stapedius-auditory tube labyrinth vestibule * * bony semicircular canals cochleamodiolus cochlear spiral canalutriclesacculesemicircular ductscochlear duct cochlear ductspiral organCorti1 2