vision Organ of balance and hearing and accessory organs Organ of vision Eyeball bulbus oculi anterior segment of eye posterior ID: 780482
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Slide1
SENSORY ORGANS
Organ of vision,Organ of balance and hearingand accessory organs
Slide2Organ of vision
Eyeball (bulbus oculi) - anterior segment of eye
-
posterior
segment
of
eye
Eyelid
(
palpebra
)
Tear
gland
(
gl
.
lacrimalis
)
Slide3Anterior
segment
Posterior
segment
Slide4anterior
cornea
iris
pars
caeca
segment corpus ciliare retinaeposterior sclera choroidea pars opticasegment retinae
The
wall
of eyeball
Tunica externa (fibrosa)
Tunica media (vasculosa)
Tunica interna
(
nervosa
)
Slide5Anterior
segment
of
eye
Slide6Anterior
segment of
eye
–
cornea
anterior
epithelium
Bowman‘s
membrane
substantia propria cornae
Descemet‘s membraneposterior
epithelium
Slide7Anterior
segment
of
eye
– corpus
ciliare
Slide8Anterior
segment
of
eye
– iris
[pink
strip
]
dorsal
epitheliumdorsal corneal epithelium continuesto ventral surface of iris as ventral epithelium of iris iridocorneal angle stroma iridis
Slide9Dorsal
segment
of
eye
Slide10Lamina
chorocapillaris
-
with
capillaries
Lamina
vasculosa
-
with vesselsLamina vitreaLamina
suprachoroidea Posterior segment of eye – choroidea
Slide11membrana
limitans
interna
layer
of
nerve
fibers
layer
of ganglionic cells
inner plexiform layerinner granular layerouter plexiform layerouter granular layermembrana limitans externalayer of rods and conespigmented epithelium (stratum pigmenti retinae
)
Posterior
segment
of
eye
– retina
Slide12Palpebra
ventral
side
(skin)
eyellash
dorsal
side (conjunctiva)
Slide13Palpebra
–
conjunctival
side
pseudostratified
columnar
epithelium
goblet cells
Slide14Gl
. lacrimalis
Slide15Organ of balance and
hearingOuter ear auricle (auricula)
auditory
meatus
(
meatus
acusticus
ext.) ear drum (
membrana tympani)Middle ear tympanic cavity (cavum tympani)Inner ear sacculus – macula sacculi utriculus – macula utriculi ductus semicirculares – cristae ampullares
ductus cochlearis – organon Corti
Slide16Slide17Inner
ear(in pyramid of ossis petrosum ossis
temporalis
)
Bony
labyrinth
vestibulum
canales
semicirculares
cochlea
Membranous labyrinthpars statica (1, 2)pars
acustica (3)sacculus
utriculus saccus endolymphaticus ductus semicirculares
ductus cochlearis
endolymphperilymphaticspace
spatium perilymphaceum
Slide18Slide19organ
of Corti
Slide20Cochlea
– organ
of
Corti
hair
cells
inner
outer
inner phalangeal columnes outer phalangeal cells cells of Corti cells of Hensen
Slide21Auricle
(
auricula
)
Elastic
cartilage
Ear
lobule
Slide22SENSORY ORGANS
Slides:88. Anterior segment of
the
eye
89.
Posterior
segment
of the eye 90. Fasciculus
opticus91. Palpebra92. Gl. lacrimalis93. Ductus cochlearis94. Auricula
Slide23diencephalon
3rd brain
ventricle
Development
of
eye
ectoderm
mesenchyme lens placode optic cup stalk of optic cup intraretinal space of optic cup
Slide24Development
of
optic
cup and
lens
outer
layer of cup
intraretinal space inner layer of cup stalk of optic cuplumen of stalkof optic cuplens vesicle ectodermneuroectoderm(wall
of diencephalon)
Slide25intraretinal
space
diencephalon
wall
lens vesicle
lumen of stalk of optic cup
Slide26anterior
epithelium
of
lens
ectoderm
eyelid
pigmented
layer
of retinanervous layer of retinaintraretinal space mesenchyme
Slide27+
retinal
pigmented
layer
retinal
nervous
layer
camera oculi ant.eyelidectodermconjunctival sacmesenchyme
Slide28Development
of
inner
ear
otic
placode
mesenchyme
ectoderm otic pit dorsal aorta otic pitwall of rhombencephalonotocystthe 1stectodermal cleft
Slide29Development
of
membranous
labyrinth
utricular
part
of
otocyst
saccular part of otocysttubular processof sacculus
Slide30*
central
regions
of
developing
semicircular
canals
*these regionsperforate laterDevelopment of semicircular canals
Slide31Development
of
middle
ear
Meckel‘s
cartilage
rhombencephalonutriculussacculus1st ectodermalcleft
middle ear ossicles
wall of inner ear
primitive cavum tympani
wall of inner ear
Slide32Development
of
external
ear
the
1st
ectodermal
cleft
basis of eyeauriculartubercles