外感受器分布在皮肤课件

PartⅣ

SensoryOrgans

感觉器

PartⅣ1TheSensoryOrgans

Thereceptorsmaybedividedintothreekinds:exteroceptors

外感受器:分布在皮肤、鼻腔和口腔粘膜、视器和听器等处，receivestimulisuchastouch,temperature,pain,lightandsoundfromtheexternalenvironmentinteroceptors内感受器:分布于内脏和心血管等处pickupinformationaboutinternalenvironmentproprioceptors

本体感受器:分布在肌肉、肌腱、关节、韧带和内耳平衡器等处receivestimulifrommuscles,tendons,jointsandligamentsSensoryorgansinclude

receptors感受器

accessoryorgans辅助装置.TheSensoryOrgans

Sensory2

TheVisualOrganconsistof

eyeball

眼球

chapter1TheVisualOrgan视器

accessoryorgansofeyeball

眼附属器

3

Section1

EyeballⅠ.Shapeofeyeballanteriorandposteriorpoles

前、后极

anteriorpoleposteriorpoleAxisofeyeball眼轴:alinejoiningthetwopoles

Opticaxis视轴:alinejoiningthecenterofthepupiltothefoveacentralis黄斑中央凹Equator

赤道:animaginarylineencirclingtheeyeball,midwaybetweenanteriorandposteriorpoles

Ⅰ.S4Ⅱ.Structureofeyeball

1.WallsofeyeballFibroustunicofeyeballCornea角膜Sclera

巩膜VasculartunicofeyeballRetina视网膜Parsiridicaretinae

虹膜部

Parsciliarisretinae睫状体部Parsopticaretinae视部Parscaecaretinae盲部Iris虹膜Cilliarybody睫状体Choroid脉络膜Ⅱ.StructureofeyeballFibrous5Wallofeyeball(1)Fibroustunic纤维膜

(outerlayer)

Cornea

角膜:

anterior1/6；anonvascular,transparentportion；suppliedrichlybynerves;becauseitiscurved,thecorneahelpsfocuslight.感觉神经丰富，故感觉敏锐。有屈光作用

Ⅱ(1)Fibroustunic纤维膜Ⅱ6Wallsofeyeball(1)Fibroustunic纤维膜

Sclera巩膜:

posterior5/6,consistsoffibrousconnectivetissuehavingprotectionandsurpportingforeyeball,posteriorlyitcontineuswiththesheathofopticn.

(1)Fibroustunic纤维膜7Sinusvenousscleraescleracorneasinusvenoussclerae巩膜静脉窦:

liesbeneaththejunctionofcorneaandsclera角膜与巩膜交界处,andisirregularcircularcanal.cribriformplateofsclera

巩膜筛板Sinusvenousscleraescleracorn8

iris虹膜

liestheanteriorpartofthevasculartunic,andisathincontractilemembranewithacentralopening,the

pupil瞳孔

(2)Vasculartunic血管膜(middlelayer):

Wallofeyeballiridocornealangle

虹膜角膜角sphincterpupillae

瞳孔括约肌dilatorpupillae

瞳孔开大肌

iris虹膜(2)Vasculartunic血9eyeballa)ciliaryring睫状环b)ciliaryprocesses睫状突:60~80条,producingaqueoushumor房水

ciliaryzonulesCiliarybody睫状体:

Behindtheiris，maybedividedinto

ciliarymuscle睫状肌

ciliaryzonules睫状小带d)作用：

调节晶状体的曲度secretetheaqueoushumor房水eyeballa)ciliaryring睫状环cili10eyeball

choroid脉络膜Thin,highlyvascularinposterior2/3ofeyeContainsbrownpigmentedcellsanddensecapillaryplexus

function：Nutrition营养作用Absorbthedisperselight吸收分散光作用。eyeballchoroid脉络膜function：11

(3)Internaltunicofeyeball内膜—

retina视网膜a.Parscaecaretinae盲部

:

b.Parsopticaretinae视部:

parsiridicaretinae虹膜部parsciliarisretinae睫状体部无感光细胞，仅有色素上皮层脉络膜部:有感光作用division:以锯状缘oraserrata为界Wallofeyeball(3)Internaltunicofeyebal12Photoreceptorcells：感光细胞

pigmentepitheliallayer色素上皮层nervuslayer神经层：consistofthreelayersofcells

Theretinaconsistsoftwolayers:Conecell视锥细胞

Rodcell视杆细胞2)structure:PigmentcelllayerConecellRodcell

WallofeyeballPhotoreceptorcells：感光细胞pigm13

bipolarcell双极细胞ganglioncell节细胞,whoseaxonsformtheopticn.fibersPigmentcelllayerConecellsRodcellsBipolarneuronGanglioncellWallofeyeballbipolarcell双极细胞Pigmentcell14Opticdisc视神经盘

(blindspot盲点),locatedmedialtoposteriorpoleofeye,andconsistsofopticnervefibersandatwheretherearecentrala.andv.ofretinaMaculalutea黄斑Lieslateralabout3.5mmtoopticdisc,ashallowdepression,andisyellowishincolor

WallofeyeballOpticdisc视神经盘(blindspot盲点)15Foveacentralis中央凹,isanaeraofgreatestvisualacuityandiscompletelyfreeofbloodvessels(concentrationofconecells).Thepigmentepitheliallayer色素上皮层absorbslightthatentertheeyeballpreventingbackscatter(blurringofvision)

WallofeyeballFoveacentralis中央凹,isanaer16(1)

Aqueoushumor房水

1)Chamberofeye眼房:

liesbetweencorneaandlens,anddividedbyirisinto：

2.Contentsofeyeball

眼球内容物anteriorchamber眼前房

posteriorchamber眼后房

(1)

Aqueoushumor房水2.Content17

Contentsofeyeball2)Aqueoushumor房水Aclearwateryfluidthatfillschamberofeye，secretedbyciliarybody.

FunctionsHelpsfocuslightHelpsmaintainconstantpressureineyeballHelpsnourishthelensandcornea

Contentsofeyeball2)Aqueous18secretedbytheciliarybody

Productionandcirculationofaqueoushumor房水:sinusvenosusscleraposteriorchamber

pupilanteriorchamber

iridocornealangleanteriorciliaryvein睫前静脉ophthalmicveinsinusvenosussclerasecretedbytheciliarybodyP19(2)

Lens

晶状体

position：lisbehindtheiris，anteriortothevitreousbody玻璃体.

Contentsofeyeballshape：

Transparentbiconvexstructure,coveredbyanelastictransparentcapsulewhichisconnectedbytheciliaryzonules睫状小带(suspensorylig.晶状体悬韧带)totheciliaryprocess

(2)

Lens晶状体Contentsofeye20

Structure:

lenscapsule晶状体囊cortexoflens晶状体皮质lensnucleus晶状体核ContentsofeyeballItsshapeischangedbytheciliarymuscle:fornearvision,theciliarymusclecontractsandthelensroundsup,whilefordistantvisionthelensflattensout,sothattheeyemaybefocusedondistantobjectsStructure:Contents21(3)

Vitreousbody玻璃体

Consistsofcolorless,transparentjelly-likesubstance胶状物质inwhichthereisameshworkoffinefibrils,occupiesthespacebetweenlensandretinaHelpsmaintaintheshapeofeyeballandsupportstheretinaContentsofeyeball(3)

Vitreousbody玻璃体Content22Cornea角膜、aqueoushumor房水、lens晶状体vitreousbody玻璃体(4)Refractivemedia:屈光系统includeBendenteringlightwavesandfocusthemontheretina

ContentsofeyeballCornea角膜、(4)Refractivemedia23Section2.

Accessoryorgans①Skin皮肤②subcutaneousadiposetissue皮下组织,③musclarlayer肌层:orbicularisoculi④tarsus睑板：formedbydenseconnectivetissue(tarsalglands)⑤palpebralconjunctiva

睑结膜

Ⅰ.

Eyelids眼睑:upperandlower，consistof5layers,Section2.Accessoryorgans①Ski243parts:

Palpebralconjunctiva

睑结膜:lininginnersurfaceofeyelids;

Bulbarconjunctiva

球结膜:

lininganteriorpartofsclera;

Ⅱ.Conjunctiva结膜:thinmucousmembraneAccessoryorgansofeyeConjunctivalfornix

结膜穹隆

(superiorandinferior):

thereflectedpartoftheconjunctivafromthesuperiorandinferioreyelidsontotheeyeball.

Conjunctivalsac结膜囊3parts:Ⅱ.Conjunctiva结膜:thin25AccessoryorgansofeyeⅢ.Lacrimalapparatus泪器

1.Lacrimalgland泪腺:

2.Lacrimalpassages泪道:

lacrimalpunctum泪点:oneacheyelidmarginnearmedialanglelacrimalductules泪小管:ineachlid,passmedially,joinandenterlacrimalsacLacrimalsac泪囊:infossaforlacrimalsac,openingintonasolacrimalductNasolacrimalduct鼻泪管:openingintoinferiornasalmeatusAccessoryorgansofeyeⅢ.Lacri26AccessoryorgansofeyeⅣ.Extraocularm.眼外肌:7levatorpalpebraesuperioris上睑提肌:elvatestheuppereyelid.Obliquuses斜肌:2

Superiorobliquus

InferiorobliquusRectuses直肌:4

superiorrectus上直肌inferiorrectus下直肌,medialrectus内直肌lateralrectus外直肌

AccessoryorgansofeyeⅣ.Extra27

Muscle

Action

N.supplylevatorpalpebraesuperioriselvatesuppereyelidⅢSuperiorrectusturnseyeballsuperomediallyⅢInferiorrectusturnseyeballinferomediallyⅢMedialrectusturnstheeyeballmediallyⅢLateralretusturnstheeyeballlaterallyⅥSuperiorobliquusturnseyeballinferolaterallyⅣInferiorobliquusturnseyeballsuperolaterallyⅢAccessoryorgansofeyeMuscle28AccessoryorgansofeyeAccessoryorgansofeye29Accessory

organs

ofeyeⅤ.ConnectiveTissuesintheOrbit

眶内结缔组织1.adiposebodyoforbit眶脂体liesbetweensheathofeyeballandtheorbitactsasaprotectivecushionandshocksorberfortheeyeball2.

orbitalfasciae眶筋膜a.periorbita眶骨膜b.fascialsheathofeyeball眼球筋膜鞘c.sheathofocularmuscles眼肌筋膜鞘

d.orbitalseptum眶隔AccessoryorgansofeyeⅤ.Conn30Ⅰ.

Vesselsofeye

1.Artery动脉(1)Ophthalmica.眼动脉:

Arisesfromtheinternalcarotida.

Branches:

1)centrala.ofretina视网膜中央动脉Entersopticnerve,passestowardtheopticdiskandthenfansouttosupplytheretina

Section3.ThevesselsandnervesofeyeⅠ.VesselsofeyeSection3.Th31

1)centrala.ofretina视网膜中央动脉branches:

Thevesselsandnervesofeye

superiornasalarterioleofretina视网膜鼻侧上小动脉

inferiornasalarterioleofretina视网膜鼻侧下小动脉

superiortemporalarterioleofretina视网膜颞侧上小动脉

inferiortemporalarterioleofretina视网膜颞侧下小动脉1)centrala.ofretina视323)longposteriorciliarya.睫状后长动脉:又称虹膜动脉;4)anteriorciliarya.睫前动脉2)shortposteriorciliarya.睫状后短动脉:又称脉络膜动脉ChoroidalarteryThevesselsandnervesofeye3)longposteriorciliarya33Ⅱ.Vein静脉

(1）centralv.ofretina

视网膜中央静脉(2）vortexvein涡静脉(3）anteriorciliaryveins睫前静脉(4）眼静脉Ophthalmicv.

a)Superiorophthalmicv.b)

InferiorophthalmicvThevesselsandnervesofeyeⅡ.Vein静脉Thevesselsandnerve34

视神经opticnerve:传导视觉

动眼神经oculomotorn.

滑车神经trochlearn.支配上斜肌

展神经abducentn.支配外直肌

Ⅲ.Nerves

神经眼神经ophthalmicn.面神经facialn.:管理泪腺分泌.Thevesselsandnervesofeye视神经opticnerve:传导视觉Ⅲ.Nerv35外感受器分布在皮肤课件36外感受器分布在皮肤课件37外感受器分布在皮肤课件38外感受器分布在皮肤课件39外感受器分布在皮肤课件40inferiortemporalarterioleofretinasuperiornasalarterioleofretinainferiornasalarterioleofretinasuperiortemporalarterioleofretinainferiortemporalarterioleof41外感受器分布在皮肤课件42外感受器分布在皮肤课件43外感受器分布在皮肤课件44外感受器分布在皮肤课件45外感受器分布在皮肤课件46小结眼球：屈光---角膜、房水、晶状体、玻璃体调节---虹膜、睫状体营养---脉络膜、房水感光---视网膜眼球保护：眼睑---睑板、眼轮匝肌、上睑提肌结膜---睑结膜、球结膜、结膜穹泪器---泪腺、泪道眼球运动：眼外肌---四直两斜一提肌

小结眼球：屈光---角膜、房水、晶状体、玻璃体47外感受器分布在皮肤课件48外感受器分布在皮肤课件49外感受器分布在皮肤课件50外感受器分布在皮肤课件51外感受器分布在皮肤课件52外感受器分布在皮肤课件53外感受器分布在皮肤课件54外感受器分布在皮肤课件55外感受器分布在皮肤课件56外感受器分布在皮肤课件57外感受器分布在皮肤课件58外感受器分布在皮肤课件59CiliaryProcessesSphincterPupillaeDilatorPupillaeSinusvenosusscleraeciliaryzonuleCiliaryMuscleIridocornealangleLensCiliaryProcessesSphincter60 chapter14视器TheVisualOrgan

房水aqueoushumor晶状体lens玻璃体vitreousbodyEyeball

眼球

accessoryorgansofeyeball

眼附属器:

外膜

fibroustunic：中膜

vasculartunic：内膜retina视网膜：walls眼内容物composition虹膜iris睫状体ciliarybody脉络膜choroid角膜cornea巩膜sclera脉络膜部choroidalpart:parsopticaretinae睫状体部parsciliaris虹膜部parsiridiacparscaecaretinae

盲部眼睑、泪器、眼外肌、眶脂体、眶筋膜视部 chapter14视器TheVisualOrg61视近物时：睫状肌收缩，向前牵引睫状突晶状体的调节睫状小带松弛晶状体变厚,屈光力加强；睫状肌舒张睫状小带紧张晶状体被拉薄,屈光力下降。视远物时：3.Contentsofeyeball视近物时：晶状体的调节睫状小带松弛晶状体变厚,睫状小62外感受器分布在皮肤课件63外感受器分布在皮肤课件64外感受器分布在皮肤课件65外感受器分布在皮肤课件66

PartⅣ

SensoryOrgans

感觉器

PartⅣ67TheSensoryOrgans

Thereceptorsmaybedividedintothreekinds:exteroceptors

外感受器:分布在皮肤、鼻腔和口腔粘膜、视器和听器等处，receivestimulisuchastouch,temperature,pain,lightandsoundfromtheexternalenvironmentinteroceptors内感受器:分布于内脏和心血管等处pickupinformationaboutinternalenvironmentproprioceptors

本体感受器:分布在肌肉、肌腱、关节、韧带和内耳平衡器等处receivestimulifrommuscles,tendons,jointsandligamentsSensoryorgansinclude

receptors感受器

accessoryorgans辅助装置.TheSensoryOrgans

Sensory68

TheVisualOrganconsistof

eyeball

眼球

chapter1TheVisualOrgan视器

accessoryorgansofeyeball

眼附属器

69

Section1

EyeballⅠ.Shapeofeyeballanteriorandposteriorpoles

前、后极

anteriorpoleposteriorpoleAxisofeyeball眼轴:alinejoiningthetwopoles

Opticaxis视轴:alinejoiningthecenterofthepupiltothefoveacentralis黄斑中央凹Equator

赤道:animaginarylineencirclingtheeyeball,midwaybetweenanteriorandposteriorpoles

Ⅰ.S70Ⅱ.Structureofeyeball

1.WallsofeyeballFibroustunicofeyeballCornea角膜Sclera

巩膜VasculartunicofeyeballRetina视网膜Parsiridicaretinae

虹膜部

Parsciliarisretinae睫状体部Parsopticaretinae视部Parscaecaretinae盲部Iris虹膜Cilliarybody睫状体Choroid脉络膜Ⅱ.StructureofeyeballFibrous71Wallofeyeball(1)Fibroustunic纤维膜

(outerlayer)

Cornea

角膜:

anterior1/6；anonvascular,transparentportion；suppliedrichlybynerves;becauseitiscurved,thecorneahelpsfocuslight.感觉神经丰富，故感觉敏锐。有屈光作用

Ⅱ(1)Fibroustunic纤维膜Ⅱ72Wallsofeyeball(1)Fibroustunic纤维膜

Sclera巩膜:

posterior5/6,consistsoffibrousconnectivetissuehavingprotectionandsurpportingforeyeball,posteriorlyitcontineuswiththesheathofopticn.

(1)Fibroustunic纤维膜73Sinusvenousscleraescleracorneasinusvenoussclerae巩膜静脉窦:

liesbeneaththejunctionofcorneaandsclera角膜与巩膜交界处,andisirregularcircularcanal.cribriformplateofsclera

巩膜筛板Sinusvenousscleraescleracorn74

iris虹膜

liestheanteriorpartofthevasculartunic,andisathincontractilemembranewithacentralopening,the

pupil瞳孔

(2)Vasculartunic血管膜(middlelayer):

Wallofeyeballiridocornealangle

虹膜角膜角sphincterpupillae

瞳孔括约肌dilatorpupillae

瞳孔开大肌

iris虹膜(2)Vasculartunic血75eyeballa)ciliaryring睫状环b)ciliaryprocesses睫状突:60~80条,producingaqueoushumor房水

ciliaryzonulesCiliarybody睫状体:

Behindtheiris，maybedividedinto

ciliarymuscle睫状肌

ciliaryzonules睫状小带d)作用：

调节晶状体的曲度secretetheaqueoushumor房水eyeballa)ciliaryring睫状环cili76eyeball

choroid脉络膜Thin,highlyvascularinposterior2/3ofeyeContainsbrownpigmentedcellsanddensecapillaryplexus

function：Nutrition营养作用Absorbthedisperselight吸收分散光作用。eyeballchoroid脉络膜function：77

(3)Internaltunicofeyeball内膜—

retina视网膜a.Parscaecaretinae盲部

:

b.Parsopticaretinae视部:

parsiridicaretinae虹膜部parsciliarisretinae睫状体部无感光细胞，仅有色素上皮层脉络膜部:有感光作用division:以锯状缘oraserrata为界Wallofeyeball(3)Internaltunicofeyebal78Photoreceptorcells：感光细胞

pigmentepitheliallayer色素上皮层nervuslayer神经层：consistofthreelayersofcells

Theretinaconsistsoftwolayers:Conecell视锥细胞

Rodcell视杆细胞2)structure:PigmentcelllayerConecellRodcell

WallofeyeballPhotoreceptorcells：感光细胞pigm79

bipolarcell双极细胞ganglioncell节细胞,whoseaxonsformtheopticn.fibersPigmentcelllayerConecellsRodcellsBipolarneuronGanglioncellWallofeyeballbipolarcell双极细胞Pigmentcell80Opticdisc视神经盘

(blindspot盲点),locatedmedialtoposteriorpoleofeye,andconsistsofopticnervefibersandatwheretherearecentrala.andv.ofretinaMaculalutea黄斑Lieslateralabout3.5mmtoopticdisc,ashallowdepression,andisyellowishincolor

WallofeyeballOpticdisc视神经盘(blindspot盲点)81Foveacentralis中央凹,isanaeraofgreatestvisualacuityandiscompletelyfreeofbloodvessels(concentrationofconecells).Thepigmentepitheliallayer色素上皮层absorbslightthatentertheeyeballpreventingbackscatter(blurringofvision)

WallofeyeballFoveacentralis中央凹,isanaer82(1)

Aqueoushumor房水

1)Chamberofeye眼房:

liesbetweencorneaandlens,anddividedbyirisinto：

2.Contentsofeyeball

眼球内容物anteriorchamber眼前房

posteriorchamber眼后房

(1)

Aqueoushumor房水2.Content83

Contentsofeyeball2)Aqueoushumor房水Aclearwateryfluidthatfillschamberofeye，secretedbyciliarybody.

FunctionsHelpsfocuslightHelpsmaintainconstantpressureineyeballHelpsnourishthelensandcornea

Contentsofeyeball2)Aqueous84secretedbytheciliarybody

Productionandcirculationofaqueoushumor房水:sinusvenosusscleraposteriorchamber

pupilanteriorchamber

iridocornealangleanteriorciliaryvein睫前静脉ophthalmicveinsinusvenosussclerasecretedbytheciliarybodyP85(2)

Lens

晶状体

position：lisbehindtheiris，anteriortothevitreousbody玻璃体.

Contentsofeyeballshape：

Transparentbiconvexstructure,coveredbyanelastictransparentcapsulewhichisconnectedbytheciliaryzonules睫状小带(suspensorylig.晶状体悬韧带)totheciliaryprocess

(2)

Lens晶状体Contentsofeye86

Structure:

lenscapsule晶状体囊cortexoflens晶状体皮质lensnucleus晶状体核ContentsofeyeballItsshapeischangedbytheciliarymuscle:fornearvision,theciliarymusclecontractsandthelensroundsup,whilefordistantvisionthelensflattensout,sothattheeyemaybefocusedondistantobjectsStructure:Contents87(3)

Vitreousbody玻璃体

Consistsofcolorless,transparentjelly-likesubstance胶状物质inwhichthereisameshworkoffinefibrils,occupiesthespacebetweenlensandretinaHelpsmaintaintheshapeofeyeballandsupportstheretinaContentsofeyeball(3)

Vitreousbody玻璃体Content88Cornea角膜、aqueoushumor房水、lens晶状体vitreousbody玻璃体(4)Refractivemedia:屈光系统includeBendenteringlightwavesandfocusthemontheretina

ContentsofeyeballCornea角膜、(4)Refractivemedia89Section2.

Accessoryorgans①Skin皮肤②subcutaneousadiposetissue皮下组织,③musclarlayer肌层:orbicularisoculi④tarsus睑板：formedbydenseconnectivetissue(tarsalglands)⑤palpebralconjunctiva

睑结膜

Ⅰ.

Eyelids眼睑:upperandlower，consistof5layers,Section2.Accessoryorgans①Ski903parts:

Palpebralconjunctiva

睑结膜:lininginnersurfaceofeyelids;

Bulbarconjunctiva

球结膜:

lininganteriorpartofsclera;

Ⅱ.Conjunctiva结膜:thinmucousmembraneAccessoryorgansofeyeConjunctivalfornix

结膜穹隆

(superiorandinferior):

thereflectedpartoftheconjunctivafromthesuperiorandinferioreyelidsontotheeyeball.

Conjunctivalsac结膜囊3parts:Ⅱ.Conjunctiva结膜:thin91AccessoryorgansofeyeⅢ.Lacrimalapparatus泪器

1.Lacrimalgland泪腺:

2.Lacrimalpassages泪道:

lacrimalpunctum泪点:oneacheyelidmarginnearmedialanglelacrimalductules泪小管:ineachlid,passmedially,joinandenterlacrimalsacLacrimalsac泪囊:infossaforlacrimalsac,openingintonasolacrimalductNasolacrimalduct鼻泪管:openingintoinferiornasalmeatusAccessoryorgansofeyeⅢ.Lacri92AccessoryorgansofeyeⅣ.Extraocularm.眼外肌:7levatorpalpebraesuperioris上睑提肌:elvatestheuppereyelid.Obliquuses斜肌:2

Superiorobliquus

InferiorobliquusRectuses直肌:4

superiorrectus上直肌inferiorrectus下直肌,medialrectus内直肌lateralrectus外直肌

AccessoryorgansofeyeⅣ.Extra93

Muscle

Action

N.supplylevatorpalpebraesuperioriselvatesuppereyelidⅢSuperiorrectusturnseyeballsuperomediallyⅢInferiorrectusturnseyeballinferomediallyⅢMedialrectusturnstheeyeballmediallyⅢLateralretusturnstheeyeballlaterallyⅥSuperiorobliquusturnseyeballinferolaterallyⅣInferiorobliquusturnseyeballsuperolaterallyⅢAccessoryorgansofeyeMuscle94AccessoryorgansofeyeAccessoryorgansofeye95Accessory

organs

ofeyeⅤ.ConnectiveTissuesintheOrbit

眶内结缔组织1.adiposebodyoforbit眶脂体liesbetweensheathofeyeballandtheorbitactsasaprotectivecushionandshocksorberfortheeyeball2.

orbitalfasciae眶筋膜a.periorbita眶骨膜b.fascialsheathofeyeball眼球筋膜鞘c.sheathofocularmuscles眼肌筋膜鞘

d.orbitalseptum眶隔AccessoryorgansofeyeⅤ.Conn96Ⅰ.

Vesselsofeye

1.Artery动脉(1)Ophthalmica.眼动脉:

Arisesfromtheinternalcarotida.

Branches:

1)centrala.ofretina视网膜中央动脉Entersopticnerve,passestowardtheopticdiskandthenfansouttosupplytheretina

Section3.ThevesselsandnervesofeyeⅠ.VesselsofeyeSection3.Th97

1)centrala.ofretina视网膜中央动脉branches:

Thevesselsandnervesofeye

superiornasalarterioleofretina视网膜鼻侧上小动脉

inferiornasalarterioleofretina视网膜